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Finding the Fourth Proportional to 17,794.40, 26,691.67 and 9,908.90

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Solution

The fourth proportional to 17,794.40, 26,691.67 and 9,908.90 is: 14,863.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,794.40 : 26,691.67 = 9,908.90 : x
  2. Step 2: Convert to fraction form
    17,794.40/26,691.67 = 9,908.90/x
  3. Step 3: Cross multiply
    17,794.40x = 26,691.67 × 9,908.90
  4. Step 4: Simplify right side
    17,794.40x = 264,485,088.86
  5. Step 5: Solve for x
    x = 264,485,088.86/17,794.40
  6. Step 6: Final answer
    x = 14,863.39

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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.