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Finding the Fourth Proportional to 71,792.96, 99,067.13 and 41,587.99

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Solution

The fourth proportional to 71,792.96, 99,067.13 and 41,587.99 is: 57,387.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,792.96 : 99,067.13 = 41,587.99 : x
  2. Step 2: Convert to fraction form
    71,792.96/99,067.13 = 41,587.99/x
  3. Step 3: Cross multiply
    71,792.96x = 99,067.13 × 41,587.99
  4. Step 4: Simplify right side
    71,792.96x = 4,120,002,668.07
  5. Step 5: Solve for x
    x = 4,120,002,668.07/71,792.96
  6. Step 6: Final answer
    x = 57,387.28

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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.