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Finding the Fourth Proportional to 54,879.47, 75,733.42 and 29,728.97

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Solution

The fourth proportional to 54,879.47, 75,733.42 and 29,728.97 is: 41,025.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,879.47 : 75,733.42 = 29,728.97 : x
  2. Step 2: Convert to fraction form
    54,879.47/75,733.42 = 29,728.97/x
  3. Step 3: Cross multiply
    54,879.47x = 75,733.42 × 29,728.97
  4. Step 4: Simplify right side
    54,879.47x = 2,251,476,422.53
  5. Step 5: Solve for x
    x = 2,251,476,422.53/54,879.47
  6. Step 6: Final answer
    x = 41,025.84

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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.