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Finding the Fourth Proportional to 3,704.88, 5,557.30 and 1,484.70

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Solution

The fourth proportional to 3,704.88, 5,557.30 and 1,484.70 is: 2,227.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.88 : 5,557.30 = 1,484.70 : x
  2. Step 2: Convert to fraction form
    3,704.88/5,557.30 = 1,484.70/x
  3. Step 3: Cross multiply
    3,704.88x = 5,557.30 × 1,484.70
  4. Step 4: Simplify right side
    3,704.88x = 8,250,923.31
  5. Step 5: Solve for x
    x = 8,250,923.31/3,704.88
  6. Step 6: Final answer
    x = 2,227.04

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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.