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Finding the Fourth Proportional to 87,008.90, 130,510.96 and 27,843.73

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Solution

The fourth proportional to 87,008.90, 130,510.96 and 27,843.73 is: 41,764.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,008.90 : 130,510.96 = 27,843.73 : x
  2. Step 2: Convert to fraction form
    87,008.90/130,510.96 = 27,843.73/x
  3. Step 3: Cross multiply
    87,008.90x = 130,510.96 × 27,843.73
  4. Step 4: Simplify right side
    87,008.90x = 3,633,911,536.39
  5. Step 5: Solve for x
    x = 3,633,911,536.39/87,008.90
  6. Step 6: Final answer
    x = 41,764.83

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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.