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Finding the Fourth Proportional to 57,699.56, 79,627.80 and 32,549

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Solution

The fourth proportional to 57,699.56, 79,627.80 and 32,549 is: 44,918.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,699.56 : 79,627.80 = 32,549 : x
  2. Step 2: Convert to fraction form
    57,699.56/79,627.80 = 32,549/x
  3. Step 3: Cross multiply
    57,699.56x = 79,627.80 × 32,549
  4. Step 4: Simplify right side
    57,699.56x = 2,591,805,262.20
  5. Step 5: Solve for x
    x = 2,591,805,262.20/57,699.56
  6. Step 6: Final answer
    x = 44,918.98

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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.