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Finding the Fourth Proportional to 57,693.59, 79,617.11 and 32,543.09

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Solution

The fourth proportional to 57,693.59, 79,617.11 and 32,543.09 is: 44,909.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,693.59 : 79,617.11 = 32,543.09 : x
  2. Step 2: Convert to fraction form
    57,693.59/79,617.11 = 32,543.09/x
  3. Step 3: Cross multiply
    57,693.59x = 79,617.11 × 32,543.09
  4. Step 4: Simplify right side
    57,693.59x = 2,590,986,215.47
  5. Step 5: Solve for x
    x = 2,590,986,215.47/57,693.59
  6. Step 6: Final answer
    x = 44,909.43

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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.