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Finding the Fourth Proportional to 32,502.56, 48,732.80 and 21,375.56

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Solution

The fourth proportional to 32,502.56, 48,732.80 and 21,375.56 is: 32,049.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,502.56 : 48,732.80 = 21,375.56 : x
  2. Step 2: Convert to fraction form
    32,502.56/48,732.80 = 21,375.56/x
  3. Step 3: Cross multiply
    32,502.56x = 48,732.80 × 21,375.56
  4. Step 4: Simplify right side
    32,502.56x = 1,041,690,890.37
  5. Step 5: Solve for x
    x = 1,041,690,890.37/32,502.56
  6. Step 6: Final answer
    x = 32,049.50

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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.