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Finding the Fourth Proportional to 57,494.40, 79,342.14 and 32,343.90

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Solution

The fourth proportional to 57,494.40, 79,342.14 and 32,343.90 is: 44,634.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,494.40 : 79,342.14 = 32,343.90 : x
  2. Step 2: Convert to fraction form
    57,494.40/79,342.14 = 32,343.90/x
  3. Step 3: Cross multiply
    57,494.40x = 79,342.14 × 32,343.90
  4. Step 4: Simplify right side
    57,494.40x = 2,566,234,241.95
  5. Step 5: Solve for x
    x = 2,566,234,241.95/57,494.40
  6. Step 6: Final answer
    x = 44,634.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.