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Finding the Fourth Proportional to 71,591.33, 98,829.61 and 41,370.75

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Solution

The fourth proportional to 71,591.33, 98,829.61 and 41,370.75 is: 57,111.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,591.33 : 98,829.61 = 41,370.75 : x
  2. Step 2: Convert to fraction form
    71,591.33/98,829.61 = 41,370.75/x
  3. Step 3: Cross multiply
    71,591.33x = 98,829.61 × 41,370.75
  4. Step 4: Simplify right side
    71,591.33x = 4,088,655,087.91
  5. Step 5: Solve for x
    x = 4,088,655,087.91/71,591.33
  6. Step 6: Final answer
    x = 57,111.04

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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.