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Finding the Fourth Proportional to 2,471.89, 3,704.02 and 1,647.17

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Solution

The fourth proportional to 2,471.89, 3,704.02 and 1,647.17 is: 2,468.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.89 : 3,704.02 = 1,647.17 : x
  2. Step 2: Convert to fraction form
    2,471.89/3,704.02 = 1,647.17/x
  3. Step 3: Cross multiply
    2,471.89x = 3,704.02 × 1,647.17
  4. Step 4: Simplify right side
    2,471.89x = 6,101,155.77
  5. Step 5: Solve for x
    x = 6,101,155.77/2,471.89
  6. Step 6: Final answer
    x = 2,468.22

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Why These Related Problems?

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