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Finding the Fourth Proportional to 87,086.88, 130,592.88 and 27,902.88

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Solution

The fourth proportional to 87,086.88, 130,592.88 and 27,902.88 is: 41,842.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,086.88 : 130,592.88 = 27,902.88 : x
  2. Step 2: Convert to fraction form
    87,086.88/130,592.88 = 27,902.88/x
  3. Step 3: Cross multiply
    87,086.88x = 130,592.88 × 27,902.88
  4. Step 4: Simplify right side
    87,086.88x = 3,643,917,459.49
  5. Step 5: Solve for x
    x = 3,643,917,459.49/87,086.88
  6. Step 6: Final answer
    x = 41,842.32

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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.