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Finding the Fourth Proportional to 71,689.41, 107,534.25 and 29,593.44

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Solution

The fourth proportional to 71,689.41, 107,534.25 and 29,593.44 is: 44,390.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,689.41 : 107,534.25 = 29,593.44 : x
  2. Step 2: Convert to fraction form
    71,689.41/107,534.25 = 29,593.44/x
  3. Step 3: Cross multiply
    71,689.41x = 107,534.25 × 29,593.44
  4. Step 4: Simplify right side
    71,689.41x = 3,182,308,375.32
  5. Step 5: Solve for x
    x = 3,182,308,375.32/71,689.41
  6. Step 6: Final answer
    x = 44,390.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.