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Finding the Fourth Proportional to 16,683,612.80, 23,407,446.40 and 16,683,612.80

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Solution

The fourth proportional to 16,683,612.80, 23,407,446.40 and 16,683,612.80 is: 23,407,446.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,683,612.80 : 23,407,446.40 = 16,683,612.80 : x
  2. Step 2: Convert to fraction form
    16,683,612.80/23,407,446.40 = 16,683,612.80/x
  3. Step 3: Cross multiply
    16,683,612.80x = 23,407,446.40 × 16,683,612.80
  4. Step 4: Simplify right side
    16,683,612.80x = 390,520,772,374,353.94
  5. Step 5: Solve for x
    x = 390,520,772,374,353.94/16,683,612.80
  6. Step 6: Final answer
    x = 23,407,446.40

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Double scale
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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.