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Finding the Fourth Proportional to 57,689.72, 79,614.55 and 32,539.22

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Solution

The fourth proportional to 57,689.72, 79,614.55 and 32,539.22 is: 44,905.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,689.72 : 79,614.55 = 32,539.22 : x
  2. Step 2: Convert to fraction form
    57,689.72/79,614.55 = 32,539.22/x
  3. Step 3: Cross multiply
    57,689.72x = 79,614.55 × 32,539.22
  4. Step 4: Simplify right side
    57,689.72x = 2,590,595,115.77
  5. Step 5: Solve for x
    x = 2,590,595,115.77/57,689.72
  6. Step 6: Final answer
    x = 44,905.66

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