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Finding the Fourth Proportional to 38,654.24, 57,981.90 and 10,952.24

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Solution

The fourth proportional to 38,654.24, 57,981.90 and 10,952.24 is: 16,428.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,654.24 : 57,981.90 = 10,952.24 : x
  2. Step 2: Convert to fraction form
    38,654.24/57,981.90 = 10,952.24/x
  3. Step 3: Cross multiply
    38,654.24x = 57,981.90 × 10,952.24
  4. Step 4: Simplify right side
    38,654.24x = 635,031,684.46
  5. Step 5: Solve for x
    x = 635,031,684.46/38,654.24
  6. Step 6: Final answer
    x = 16,428.51

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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.