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Finding the Fourth Proportional to 22,374,411.60, 31,409,206.80 and 22,374,411.60

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Solution

The fourth proportional to 22,374,411.60, 31,409,206.80 and 22,374,411.60 is: 31,409,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,374,411.60 : 31,409,206.80 = 22,374,411.60 : x
  2. Step 2: Convert to fraction form
    22,374,411.60/31,409,206.80 = 22,374,411.60/x
  3. Step 3: Cross multiply
    22,374,411.60x = 31,409,206.80 × 22,374,411.60
  4. Step 4: Simplify right side
    22,374,411.60x = 702,762,520,972,719
  5. Step 5: Solve for x
    x = 702,762,520,972,719/22,374,411.60
  6. Step 6: Final answer
    x = 31,409,206.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.