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Finding the Fourth Proportional to 87,132.93, 130,689.01 and 23,959.47

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Solution

The fourth proportional to 87,132.93, 130,689.01 and 23,959.47 is: 35,936.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,132.93 : 130,689.01 = 23,959.47 : x
  2. Step 2: Convert to fraction form
    87,132.93/130,689.01 = 23,959.47/x
  3. Step 3: Cross multiply
    87,132.93x = 130,689.01 × 23,959.47
  4. Step 4: Simplify right side
    87,132.93x = 3,131,239,414.42
  5. Step 5: Solve for x
    x = 3,131,239,414.42/87,132.93
  6. Step 6: Final answer
    x = 35,936.35

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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.