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Finding the Fourth Proportional to 87,671.52, 131,600.88 and 37,776.24

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Solution

The fourth proportional to 87,671.52, 131,600.88 and 37,776.24 is: 56,704.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,671.52 : 131,600.88 = 37,776.24 : x
  2. Step 2: Convert to fraction form
    87,671.52/131,600.88 = 37,776.24/x
  3. Step 3: Cross multiply
    87,671.52x = 131,600.88 × 37,776.24
  4. Step 4: Simplify right side
    87,671.52x = 4,971,386,427.09
  5. Step 5: Solve for x
    x = 4,971,386,427.09/87,671.52
  6. Step 6: Final answer
    x = 56,704.69

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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.