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Finding the Fourth Proportional to 38,552.65, 57,816.62 and 12,251.24

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Solution

The fourth proportional to 38,552.65, 57,816.62 and 12,251.24 is: 18,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,552.65 : 57,816.62 = 12,251.24 : x
  2. Step 2: Convert to fraction form
    38,552.65/57,816.62 = 12,251.24/x
  3. Step 3: Cross multiply
    38,552.65x = 57,816.62 × 12,251.24
  4. Step 4: Simplify right side
    38,552.65x = 708,325,287.61
  5. Step 5: Solve for x
    x = 708,325,287.61/38,552.65
  6. Step 6: Final answer
    x = 18,372.93

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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.