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Finding the Fourth Proportional to 54,013.44, 80,903.52 and 52,691.52

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Solution

The fourth proportional to 54,013.44, 80,903.52 and 52,691.52 is: 78,923.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,013.44 : 80,903.52 = 52,691.52 : x
  2. Step 2: Convert to fraction form
    54,013.44/80,903.52 = 52,691.52/x
  3. Step 3: Cross multiply
    54,013.44x = 80,903.52 × 52,691.52
  4. Step 4: Simplify right side
    54,013.44x = 4,262,929,442.15
  5. Step 5: Solve for x
    x = 4,262,929,442.15/54,013.44
  6. Step 6: Final answer
    x = 78,923.49

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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.