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Finding the Fourth Proportional to 2,463.80, 3,695.70 and 1,002.20

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Solution

The fourth proportional to 2,463.80, 3,695.70 and 1,002.20 is: 1,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,463.80 : 3,695.70 = 1,002.20 : x
  2. Step 2: Convert to fraction form
    2,463.80/3,695.70 = 1,002.20/x
  3. Step 3: Cross multiply
    2,463.80x = 3,695.70 × 1,002.20
  4. Step 4: Simplify right side
    2,463.80x = 3,703,830.54
  5. Step 5: Solve for x
    x = 3,703,830.54/2,463.80
  6. Step 6: Final answer
    x = 1,503.30

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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.