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Finding the Fourth Proportional to 2,237.52, 3,356.30 and 698.52

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Solution

The fourth proportional to 2,237.52, 3,356.30 and 698.52 is: 1,047.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.52 : 3,356.30 = 698.52 : x
  2. Step 2: Convert to fraction form
    2,237.52/3,356.30 = 698.52/x
  3. Step 3: Cross multiply
    2,237.52x = 3,356.30 × 698.52
  4. Step 4: Simplify right side
    2,237.52x = 2,344,442.68
  5. Step 5: Solve for x
    x = 2,344,442.68/2,237.52
  6. Step 6: Final answer
    x = 1,047.79

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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.