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Finding the Fourth Proportional to 32,488.43, 48,724.04 and 12,767.16

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Solution

The fourth proportional to 32,488.43, 48,724.04 and 12,767.16 is: 19,147.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,488.43 : 48,724.04 = 12,767.16 : x
  2. Step 2: Convert to fraction form
    32,488.43/48,724.04 = 12,767.16/x
  3. Step 3: Cross multiply
    32,488.43x = 48,724.04 × 12,767.16
  4. Step 4: Simplify right side
    32,488.43x = 622,067,646.44
  5. Step 5: Solve for x
    x = 622,067,646.44/32,488.43
  6. Step 6: Final answer
    x = 19,147.36

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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.