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Finding the Fourth Proportional to 87,027, 130,552.95 and 33,011.55

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Solution

The fourth proportional to 87,027, 130,552.95 and 33,011.55 is: 49,522.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,027 : 130,552.95 = 33,011.55 : x
  2. Step 2: Convert to fraction form
    87,027/130,552.95 = 33,011.55/x
  3. Step 3: Cross multiply
    87,027x = 130,552.95 × 33,011.55
  4. Step 4: Simplify right side
    87,027x = 4,309,755,236.57
  5. Step 5: Solve for x
    x = 4,309,755,236.57/87,027
  6. Step 6: Final answer
    x = 49,522.05

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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.