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Finding the Fourth Proportional to 57,517.90, 79,374.54 and 32,367.40

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Solution

The fourth proportional to 57,517.90, 79,374.54 and 32,367.40 is: 44,666.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,517.90 : 79,374.54 = 32,367.40 : x
  2. Step 2: Convert to fraction form
    57,517.90/79,374.54 = 32,367.40/x
  3. Step 3: Cross multiply
    57,517.90x = 79,374.54 × 32,367.40
  4. Step 4: Simplify right side
    57,517.90x = 2,569,147,486.00
  5. Step 5: Solve for x
    x = 2,569,147,486.00/57,517.90
  6. Step 6: Final answer
    x = 44,666.92

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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.