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Finding the Fourth Proportional to 87,626.80, 131,454.60 and 37,730.80

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Solution

The fourth proportional to 87,626.80, 131,454.60 and 37,730.80 is: 56,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,626.80 : 131,454.60 = 37,730.80 : x
  2. Step 2: Convert to fraction form
    87,626.80/131,454.60 = 37,730.80/x
  3. Step 3: Cross multiply
    87,626.80x = 131,454.60 × 37,730.80
  4. Step 4: Simplify right side
    87,626.80x = 4,959,887,221.68
  5. Step 5: Solve for x
    x = 4,959,887,221.68/87,626.80
  6. Step 6: Final answer
    x = 56,602.40

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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.