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Finding the Fourth Proportional to 54,005.30, 81,051.30 and 24,425.72

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Solution

The fourth proportional to 54,005.30, 81,051.30 and 24,425.72 is: 36,658.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,005.30 : 81,051.30 = 24,425.72 : x
  2. Step 2: Convert to fraction form
    54,005.30/81,051.30 = 24,425.72/x
  3. Step 3: Cross multiply
    54,005.30x = 81,051.30 × 24,425.72
  4. Step 4: Simplify right side
    54,005.30x = 1,979,736,359.44
  5. Step 5: Solve for x
    x = 1,979,736,359.44/54,005.30
  6. Step 6: Final answer
    x = 36,658.19

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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.