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Finding the Fourth Proportional to 87,363.88, 131,068.50 and 25,039.24

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Solution

The fourth proportional to 87,363.88, 131,068.50 and 25,039.24 is: 37,565.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,363.88 : 131,068.50 = 25,039.24 : x
  2. Step 2: Convert to fraction form
    87,363.88/131,068.50 = 25,039.24/x
  3. Step 3: Cross multiply
    87,363.88x = 131,068.50 × 25,039.24
  4. Step 4: Simplify right side
    87,363.88x = 3,281,855,627.94
  5. Step 5: Solve for x
    x = 3,281,855,627.94/87,363.88
  6. Step 6: Final answer
    x = 37,565.36

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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.