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Finding the Fourth Proportional to 2,591.79, 3,576.69 and 1,472.79

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Solution

The fourth proportional to 2,591.79, 3,576.69 and 1,472.79 is: 2,032.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.79 : 3,576.69 = 1,472.79 : x
  2. Step 2: Convert to fraction form
    2,591.79/3,576.69 = 1,472.79/x
  3. Step 3: Cross multiply
    2,591.79x = 3,576.69 × 1,472.79
  4. Step 4: Simplify right side
    2,591.79x = 5,267,705.90
  5. Step 5: Solve for x
    x = 5,267,705.90/2,591.79
  6. Step 6: Final answer
    x = 2,032.46

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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.