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Finding the Fourth Proportional to 60,472.62, 90,708.93 and 29,286

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Solution

The fourth proportional to 60,472.62, 90,708.93 and 29,286 is: 43,929

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,472.62 : 90,708.93 = 29,286 : x
  2. Step 2: Convert to fraction form
    60,472.62/90,708.93 = 29,286/x
  3. Step 3: Cross multiply
    60,472.62x = 90,708.93 × 29,286
  4. Step 4: Simplify right side
    60,472.62x = 2,656,501,723.98
  5. Step 5: Solve for x
    x = 2,656,501,723.98/60,472.62
  6. Step 6: Final answer
    x = 43,929

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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.