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Finding the Fourth Proportional to 2,580.48, 3,872.61 and 937.17

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Solution

The fourth proportional to 2,580.48, 3,872.61 and 937.17 is: 1,406.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.48 : 3,872.61 = 937.17 : x
  2. Step 2: Convert to fraction form
    2,580.48/3,872.61 = 937.17/x
  3. Step 3: Cross multiply
    2,580.48x = 3,872.61 × 937.17
  4. Step 4: Simplify right side
    2,580.48x = 3,629,293.91
  5. Step 5: Solve for x
    x = 3,629,293.91/2,580.48
  6. Step 6: Final answer
    x = 1,406.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.