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Finding the Fourth Proportional to 17,906.60, 24,711.18 and 9,948.62

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Solution

The fourth proportional to 17,906.60, 24,711.18 and 9,948.62 is: 13,729.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,906.60 : 24,711.18 = 9,948.62 : x
  2. Step 2: Convert to fraction form
    17,906.60/24,711.18 = 9,948.62/x
  3. Step 3: Cross multiply
    17,906.60x = 24,711.18 × 9,948.62
  4. Step 4: Simplify right side
    17,906.60x = 245,842,139.57
  5. Step 5: Solve for x
    x = 245,842,139.57/17,906.60
  6. Step 6: Final answer
    x = 13,729.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.