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Finding the Fourth Proportional to 14,947,993.60, 22,421,990.40 and 14,201,497.60

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Solution

The fourth proportional to 14,947,993.60, 22,421,990.40 and 14,201,497.60 is: 21,302,246.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947,993.60 : 22,421,990.40 = 14,201,497.60 : x
  2. Step 2: Convert to fraction form
    14,947,993.60/22,421,990.40 = 14,201,497.60/x
  3. Step 3: Cross multiply
    14,947,993.60x = 22,421,990.40 × 14,201,497.60
  4. Step 4: Simplify right side
    14,947,993.60x = 318,425,842,852,823
  5. Step 5: Solve for x
    x = 318,425,842,852,823/14,947,993.60
  6. Step 6: Final answer
    x = 21,302,246.40

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.