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Finding the Fourth Proportional to 48,377.52, 66,728.88 and 29,244.78

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Solution

The fourth proportional to 48,377.52, 66,728.88 and 29,244.78 is: 40,338.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,377.52 : 66,728.88 = 29,244.78 : x
  2. Step 2: Convert to fraction form
    48,377.52/66,728.88 = 29,244.78/x
  3. Step 3: Cross multiply
    48,377.52x = 66,728.88 × 29,244.78
  4. Step 4: Simplify right side
    48,377.52x = 1,951,471,415.25
  5. Step 5: Solve for x
    x = 1,951,471,415.25/48,377.52
  6. Step 6: Final answer
    x = 40,338.39

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.