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Finding the Fourth Proportional to 17,903.18, 26,863.59 and 8,049.62

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Solution

The fourth proportional to 17,903.18, 26,863.59 and 8,049.62 is: 12,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,903.18 : 26,863.59 = 8,049.62 : x
  2. Step 2: Convert to fraction form
    17,903.18/26,863.59 = 8,049.62/x
  3. Step 3: Cross multiply
    17,903.18x = 26,863.59 × 8,049.62
  4. Step 4: Simplify right side
    17,903.18x = 216,241,691.34
  5. Step 5: Solve for x
    x = 216,241,691.34/17,903.18
  6. Step 6: Final answer
    x = 12,078.40

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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.