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Finding the Fourth Proportional to 2,442.54, 3,663.70 and 798.87

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Solution

The fourth proportional to 2,442.54, 3,663.70 and 798.87 is: 1,198.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.54 : 3,663.70 = 798.87 : x
  2. Step 2: Convert to fraction form
    2,442.54/3,663.70 = 798.87/x
  3. Step 3: Cross multiply
    2,442.54x = 3,663.70 × 798.87
  4. Step 4: Simplify right side
    2,442.54x = 2,926,820.02
  5. Step 5: Solve for x
    x = 2,926,820.02/2,442.54
  6. Step 6: Final answer
    x = 1,198.27

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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.