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Finding the Fourth Proportional to 8,101.69, 11,182.42 and 5,276.11

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Solution

The fourth proportional to 8,101.69, 11,182.42 and 5,276.11 is: 7,282.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.69 : 11,182.42 = 5,276.11 : x
  2. Step 2: Convert to fraction form
    8,101.69/11,182.42 = 5,276.11/x
  3. Step 3: Cross multiply
    8,101.69x = 11,182.42 × 5,276.11
  4. Step 4: Simplify right side
    8,101.69x = 58,999,626.95
  5. Step 5: Solve for x
    x = 58,999,626.95/8,101.69
  6. Step 6: Final answer
    x = 7,282.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.