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Finding the Fourth Proportional to 1,627.84, 2,442.12 and 532.24

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Solution

The fourth proportional to 1,627.84, 2,442.12 and 532.24 is: 798.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.84 : 2,442.12 = 532.24 : x
  2. Step 2: Convert to fraction form
    1,627.84/2,442.12 = 532.24/x
  3. Step 3: Cross multiply
    1,627.84x = 2,442.12 × 532.24
  4. Step 4: Simplify right side
    1,627.84x = 1,299,793.95
  5. Step 5: Solve for x
    x = 1,299,793.95/1,627.84
  6. Step 6: Final answer
    x = 798.48

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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.