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Finding the Fourth Proportional to 15,797.97, 23,691.84 and 8,398.20

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Solution

The fourth proportional to 15,797.97, 23,691.84 and 8,398.20 is: 12,594.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,797.97 : 23,691.84 = 8,398.20 : x
  2. Step 2: Convert to fraction form
    15,797.97/23,691.84 = 8,398.20/x
  3. Step 3: Cross multiply
    15,797.97x = 23,691.84 × 8,398.20
  4. Step 4: Simplify right side
    15,797.97x = 198,968,810.69
  5. Step 5: Solve for x
    x = 198,968,810.69/15,797.97
  6. Step 6: Final answer
    x = 12,594.58

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1.5x scale

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.