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Finding the Fourth Proportional to 87,092.50, 130,645.50 and 27,113.44

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Solution

The fourth proportional to 87,092.50, 130,645.50 and 27,113.44 is: 40,672.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,092.50 : 130,645.50 = 27,113.44 : x
  2. Step 2: Convert to fraction form
    87,092.50/130,645.50 = 27,113.44/x
  3. Step 3: Cross multiply
    87,092.50x = 130,645.50 × 27,113.44
  4. Step 4: Simplify right side
    87,092.50x = 3,542,248,925.52
  5. Step 5: Solve for x
    x = 3,542,248,925.52/87,092.50
  6. Step 6: Final answer
    x = 40,672.26

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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.