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Finding the Fourth Proportional to 17,772.25, 26,672.82 and 9,009.67

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Solution

The fourth proportional to 17,772.25, 26,672.82 and 9,009.67 is: 13,521.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,772.25 : 26,672.82 = 9,009.67 : x
  2. Step 2: Convert to fraction form
    17,772.25/26,672.82 = 9,009.67/x
  3. Step 3: Cross multiply
    17,772.25x = 26,672.82 × 9,009.67
  4. Step 4: Simplify right side
    17,772.25x = 240,313,306.17
  5. Step 5: Solve for x
    x = 240,313,306.17/17,772.25
  6. Step 6: Final answer
    x = 13,521.83

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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.