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Finding the Fourth Proportional to 44,728.56, 67,112 and 15,149.52

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Solution

The fourth proportional to 44,728.56, 67,112 and 15,149.52 is: 22,730.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,728.56 : 67,112 = 15,149.52 : x
  2. Step 2: Convert to fraction form
    44,728.56/67,112 = 15,149.52/x
  3. Step 3: Cross multiply
    44,728.56x = 67,112 × 15,149.52
  4. Step 4: Simplify right side
    44,728.56x = 1,016,714,586.24
  5. Step 5: Solve for x
    x = 1,016,714,586.24/44,728.56
  6. Step 6: Final answer
    x = 22,730.77

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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.