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Finding the Fourth Proportional to 54,805.44, 75,631.52 and 29,655.04

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Solution

The fourth proportional to 54,805.44, 75,631.52 and 29,655.04 is: 40,923.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,805.44 : 75,631.52 = 29,655.04 : x
  2. Step 2: Convert to fraction form
    54,805.44/75,631.52 = 29,655.04/x
  3. Step 3: Cross multiply
    54,805.44x = 75,631.52 × 29,655.04
  4. Step 4: Simplify right side
    54,805.44x = 2,242,855,750.86
  5. Step 5: Solve for x
    x = 2,242,855,750.86/54,805.44
  6. Step 6: Final answer
    x = 40,923.96

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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.