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Finding the Fourth Proportional to 87,287, 130,935.90 and 24,962.36

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Solution

The fourth proportional to 87,287, 130,935.90 and 24,962.36 is: 37,445.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,287 : 130,935.90 = 24,962.36 : x
  2. Step 2: Convert to fraction form
    87,287/130,935.90 = 24,962.36/x
  3. Step 3: Cross multiply
    87,287x = 130,935.90 × 24,962.36
  4. Step 4: Simplify right side
    87,287x = 3,268,469,072.72
  5. Step 5: Solve for x
    x = 3,268,469,072.72/87,287
  6. Step 6: Final answer
    x = 37,445.08

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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.