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Finding the Fourth Proportional to 17,658.12, 26,487.18 and 8,396.04

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Solution

The fourth proportional to 17,658.12, 26,487.18 and 8,396.04 is: 12,594.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,658.12 : 26,487.18 = 8,396.04 : x
  2. Step 2: Convert to fraction form
    17,658.12/26,487.18 = 8,396.04/x
  3. Step 3: Cross multiply
    17,658.12x = 26,487.18 × 8,396.04
  4. Step 4: Simplify right side
    17,658.12x = 222,387,422.77
  5. Step 5: Solve for x
    x = 222,387,422.77/17,658.12
  6. Step 6: Final answer
    x = 12,594.06

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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.