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Finding the Fourth Proportional to 71,792.69, 99,160.97 and 52,644.83

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Solution

The fourth proportional to 71,792.69, 99,160.97 and 52,644.83 is: 72,713.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,792.69 : 99,160.97 = 52,644.83 : x
  2. Step 2: Convert to fraction form
    71,792.69/99,160.97 = 52,644.83/x
  3. Step 3: Cross multiply
    71,792.69x = 99,160.97 × 52,644.83
  4. Step 4: Simplify right side
    71,792.69x = 5,220,311,649.26
  5. Step 5: Solve for x
    x = 5,220,311,649.26/71,792.69
  6. Step 6: Final answer
    x = 72,713.70

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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.