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Finding the Fourth Proportional to 17,763.61, 26,626.92 and 7,229.11

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Solution

The fourth proportional to 17,763.61, 26,626.92 and 7,229.11 is: 10,836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,763.61 : 26,626.92 = 7,229.11 : x
  2. Step 2: Convert to fraction form
    17,763.61/26,626.92 = 7,229.11/x
  3. Step 3: Cross multiply
    17,763.61x = 26,626.92 × 7,229.11
  4. Step 4: Simplify right side
    17,763.61x = 192,488,933.64
  5. Step 5: Solve for x
    x = 192,488,933.64/17,763.61
  6. Step 6: Final answer
    x = 10,836.14

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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.