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Finding the Fourth Proportional to 17,691.84, 26,537.76 and 8,326.04

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Solution

The fourth proportional to 17,691.84, 26,537.76 and 8,326.04 is: 12,489.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,691.84 : 26,537.76 = 8,326.04 : x
  2. Step 2: Convert to fraction form
    17,691.84/26,537.76 = 8,326.04/x
  3. Step 3: Cross multiply
    17,691.84x = 26,537.76 × 8,326.04
  4. Step 4: Simplify right side
    17,691.84x = 220,954,318.58
  5. Step 5: Solve for x
    x = 220,954,318.58/17,691.84
  6. Step 6: Final answer
    x = 12,489.05

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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.