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Finding the Fourth Proportional to 48,167.44, 72,279.72 and 21,871.84

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Solution

The fourth proportional to 48,167.44, 72,279.72 and 21,871.84 is: 32,820.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,167.44 : 72,279.72 = 21,871.84 : x
  2. Step 2: Convert to fraction form
    48,167.44/72,279.72 = 21,871.84/x
  3. Step 3: Cross multiply
    48,167.44x = 72,279.72 × 21,871.84
  4. Step 4: Simplify right side
    48,167.44x = 1,580,890,471.08
  5. Step 5: Solve for x
    x = 1,580,890,471.08/48,167.44
  6. Step 6: Final answer
    x = 32,820.73

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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.