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Finding the Fourth Proportional to 71,798.28, 99,074.47 and 41,593.33

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Solution

The fourth proportional to 71,798.28, 99,074.47 and 41,593.33 is: 57,394.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,798.28 : 99,074.47 = 41,593.33 : x
  2. Step 2: Convert to fraction form
    71,798.28/99,074.47 = 41,593.33/x
  3. Step 3: Cross multiply
    71,798.28x = 99,074.47 × 41,593.33
  4. Step 4: Simplify right side
    71,798.28x = 4,120,837,125.29
  5. Step 5: Solve for x
    x = 4,120,837,125.29/71,798.28
  6. Step 6: Final answer
    x = 57,394.65

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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.