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Finding the Fourth Proportional to 87,596.91, 131,393.52 and 28,432.49

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Solution

The fourth proportional to 87,596.91, 131,393.52 and 28,432.49 is: 42,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,596.91 : 131,393.52 = 28,432.49 : x
  2. Step 2: Convert to fraction form
    87,596.91/131,393.52 = 28,432.49/x
  3. Step 3: Cross multiply
    87,596.91x = 131,393.52 × 28,432.49
  4. Step 4: Simplify right side
    87,596.91x = 3,735,844,286.50
  5. Step 5: Solve for x
    x = 3,735,844,286.50/87,596.91
  6. Step 6: Final answer
    x = 42,648.13

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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.