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Finding the Fourth Proportional to 39,951.48, 59,926.32 and 10,369.20

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Solution

The fourth proportional to 39,951.48, 59,926.32 and 10,369.20 is: 15,553.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,951.48 : 59,926.32 = 10,369.20 : x
  2. Step 2: Convert to fraction form
    39,951.48/59,926.32 = 10,369.20/x
  3. Step 3: Cross multiply
    39,951.48x = 59,926.32 × 10,369.20
  4. Step 4: Simplify right side
    39,951.48x = 621,387,997.34
  5. Step 5: Solve for x
    x = 621,387,997.34/39,951.48
  6. Step 6: Final answer
    x = 15,553.57

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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.