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Finding the Fourth Proportional to 2,463.52, 3,698.21 and 1,943.90

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Solution

The fourth proportional to 2,463.52, 3,698.21 and 1,943.90 is: 2,918.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,463.52 : 3,698.21 = 1,943.90 : x
  2. Step 2: Convert to fraction form
    2,463.52/3,698.21 = 1,943.90/x
  3. Step 3: Cross multiply
    2,463.52x = 3,698.21 × 1,943.90
  4. Step 4: Simplify right side
    2,463.52x = 7,188,934.12
  5. Step 5: Solve for x
    x = 7,188,934.12/2,463.52
  6. Step 6: Final answer
    x = 2,918.15

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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.