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Finding the Fourth Proportional to 71,377.70, 107,026.05 and 27,005.90

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Solution

The fourth proportional to 71,377.70, 107,026.05 and 27,005.90 is: 40,493.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,377.70 : 107,026.05 = 27,005.90 : x
  2. Step 2: Convert to fraction form
    71,377.70/107,026.05 = 27,005.90/x
  3. Step 3: Cross multiply
    71,377.70x = 107,026.05 × 27,005.90
  4. Step 4: Simplify right side
    71,377.70x = 2,890,334,803.70
  5. Step 5: Solve for x
    x = 2,890,334,803.70/71,377.70
  6. Step 6: Final answer
    x = 40,493.53

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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.