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Finding the Fourth Proportional to 71,367.71, 98,497.92 and 41,147.12

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Solution

The fourth proportional to 71,367.71, 98,497.92 and 41,147.12 is: 56,789.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,367.71 : 98,497.92 = 41,147.12 : x
  2. Step 2: Convert to fraction form
    71,367.71/98,497.92 = 41,147.12/x
  3. Step 3: Cross multiply
    71,367.71x = 98,497.92 × 41,147.12
  4. Step 4: Simplify right side
    71,367.71x = 4,052,905,590.61
  5. Step 5: Solve for x
    x = 4,052,905,590.61/71,367.71
  6. Step 6: Final answer
    x = 56,789.07

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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.