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Finding the Fourth Proportional to 57,265.50, 79,026.39 and 32,115

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Solution

The fourth proportional to 57,265.50, 79,026.39 and 32,115 is: 44,318.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,265.50 : 79,026.39 = 32,115 : x
  2. Step 2: Convert to fraction form
    57,265.50/79,026.39 = 32,115/x
  3. Step 3: Cross multiply
    57,265.50x = 79,026.39 × 32,115
  4. Step 4: Simplify right side
    57,265.50x = 2,537,932,514.85
  5. Step 5: Solve for x
    x = 2,537,932,514.85/57,265.50
  6. Step 6: Final answer
    x = 44,318.70

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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.