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Finding the Fourth Proportional to 87,361.50, 131,042.25 and 25,032

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Solution

The fourth proportional to 87,361.50, 131,042.25 and 25,032 is: 37,548

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,361.50 : 131,042.25 = 25,032 : x
  2. Step 2: Convert to fraction form
    87,361.50/131,042.25 = 25,032/x
  3. Step 3: Cross multiply
    87,361.50x = 131,042.25 × 25,032
  4. Step 4: Simplify right side
    87,361.50x = 3,280,249,602
  5. Step 5: Solve for x
    x = 3,280,249,602/87,361.50
  6. Step 6: Final answer
    x = 37,548

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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.