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Finding the Fourth Proportional to 8,800.33, 13,169.05 and 7,643.95

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Solution

The fourth proportional to 8,800.33, 13,169.05 and 7,643.95 is: 11,438.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.33 : 13,169.05 = 7,643.95 : x
  2. Step 2: Convert to fraction form
    8,800.33/13,169.05 = 7,643.95/x
  3. Step 3: Cross multiply
    8,800.33x = 13,169.05 × 7,643.95
  4. Step 4: Simplify right side
    8,800.33x = 100,663,521.53
  5. Step 5: Solve for x
    x = 100,663,521.53/8,800.33
  6. Step 6: Final answer
    x = 11,438.61

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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.