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Finding the Fourth Proportional to 6,463.80, 9,698.13 and 2,082.51

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Solution

The fourth proportional to 6,463.80, 9,698.13 and 2,082.51 is: 3,124.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463.80 : 9,698.13 = 2,082.51 : x
  2. Step 2: Convert to fraction form
    6,463.80/9,698.13 = 2,082.51/x
  3. Step 3: Cross multiply
    6,463.80x = 9,698.13 × 2,082.51
  4. Step 4: Simplify right side
    6,463.80x = 20,196,452.71
  5. Step 5: Solve for x
    x = 20,196,452.71/6,463.80
  6. Step 6: Final answer
    x = 3,124.55

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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.