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Finding the Fourth Proportional to 71,398.60, 107,099.04 and 27,013.44

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Solution

The fourth proportional to 71,398.60, 107,099.04 and 27,013.44 is: 40,520.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,398.60 : 107,099.04 = 27,013.44 : x
  2. Step 2: Convert to fraction form
    71,398.60/107,099.04 = 27,013.44/x
  3. Step 3: Cross multiply
    71,398.60x = 107,099.04 × 27,013.44
  4. Step 4: Simplify right side
    71,398.60x = 2,893,113,340.94
  5. Step 5: Solve for x
    x = 2,893,113,340.94/71,398.60
  6. Step 6: Final answer
    x = 40,520.59

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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.