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Finding the Fourth Proportional to 32,882.76, 49,372.20 and 20,366.64

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Solution

The fourth proportional to 32,882.76, 49,372.20 and 20,366.64 is: 30,579.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,882.76 : 49,372.20 = 20,366.64 : x
  2. Step 2: Convert to fraction form
    32,882.76/49,372.20 = 20,366.64/x
  3. Step 3: Cross multiply
    32,882.76x = 49,372.20 × 20,366.64
  4. Step 4: Simplify right side
    32,882.76x = 1,005,545,823.41
  5. Step 5: Solve for x
    x = 1,005,545,823.41/32,882.76
  6. Step 6: Final answer
    x = 30,579.73

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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.