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Finding the Fourth Proportional to 59,491.71, 82,101.15 and 35,613.78

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Solution

The fourth proportional to 59,491.71, 82,101.15 and 35,613.78 is: 49,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,491.71 : 82,101.15 = 35,613.78 : x
  2. Step 2: Convert to fraction form
    59,491.71/82,101.15 = 35,613.78/x
  3. Step 3: Cross multiply
    59,491.71x = 82,101.15 × 35,613.78
  4. Step 4: Simplify right side
    59,491.71x = 2,923,932,293.85
  5. Step 5: Solve for x
    x = 2,923,932,293.85/59,491.71
  6. Step 6: Final answer
    x = 49,148.57

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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.