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Finding the Fourth Proportional to 5,280.76, 7,289.07 and 3,044.13

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Solution

The fourth proportional to 5,280.76, 7,289.07 and 3,044.13 is: 4,201.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.76 : 7,289.07 = 3,044.13 : x
  2. Step 2: Convert to fraction form
    5,280.76/7,289.07 = 3,044.13/x
  3. Step 3: Cross multiply
    5,280.76x = 7,289.07 × 3,044.13
  4. Step 4: Simplify right side
    5,280.76x = 22,188,876.66
  5. Step 5: Solve for x
    x = 22,188,876.66/5,280.76
  6. Step 6: Final answer
    x = 4,201.83

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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.