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Finding the Fourth Proportional to 87,297, 130,924.74 and 24,115.73

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Solution

The fourth proportional to 87,297, 130,924.74 and 24,115.73 is: 36,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,297 : 130,924.74 = 24,115.73 : x
  2. Step 2: Convert to fraction form
    87,297/130,924.74 = 24,115.73/x
  3. Step 3: Cross multiply
    87,297x = 130,924.74 × 24,115.73
  4. Step 4: Simplify right side
    87,297x = 3,157,345,025.54
  5. Step 5: Solve for x
    x = 3,157,345,025.54/87,297
  6. Step 6: Final answer
    x = 36,167.85

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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.