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Finding the Fourth Proportional to 57,909.98, 79,909.02 and 32,417.75

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Solution

The fourth proportional to 57,909.98, 79,909.02 and 32,417.75 is: 44,732.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,909.98 : 79,909.02 = 32,417.75 : x
  2. Step 2: Convert to fraction form
    57,909.98/79,909.02 = 32,417.75/x
  3. Step 3: Cross multiply
    57,909.98x = 79,909.02 × 32,417.75
  4. Step 4: Simplify right side
    57,909.98x = 2,590,470,233.56
  5. Step 5: Solve for x
    x = 2,590,470,233.56/57,909.98
  6. Step 6: Final answer
    x = 44,732.71

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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.