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Finding the Fourth Proportional to 5,167.80, 7,134.48 and 3,576.76

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Solution

The fourth proportional to 5,167.80, 7,134.48 and 3,576.76 is: 4,937.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.80 : 7,134.48 = 3,576.76 : x
  2. Step 2: Convert to fraction form
    5,167.80/7,134.48 = 3,576.76/x
  3. Step 3: Cross multiply
    5,167.80x = 7,134.48 × 3,576.76
  4. Step 4: Simplify right side
    5,167.80x = 25,518,304.85
  5. Step 5: Solve for x
    x = 25,518,304.85/5,167.80
  6. Step 6: Final answer
    x = 4,937.94

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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.