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Finding the Fourth Proportional to 54,686.64, 75,476 and 33,179.92

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Solution

The fourth proportional to 54,686.64, 75,476 and 33,179.92 is: 45,793.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,686.64 : 75,476 = 33,179.92 : x
  2. Step 2: Convert to fraction form
    54,686.64/75,476 = 33,179.92/x
  3. Step 3: Cross multiply
    54,686.64x = 75,476 × 33,179.92
  4. Step 4: Simplify right side
    54,686.64x = 2,504,287,641.92
  5. Step 5: Solve for x
    x = 2,504,287,641.92/54,686.64
  6. Step 6: Final answer
    x = 45,793.41

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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.