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Finding the Fourth Proportional to 11,265.87, 15,550.04 and 6,551.07

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Solution

The fourth proportional to 11,265.87, 15,550.04 and 6,551.07 is: 9,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,265.87 : 15,550.04 = 6,551.07 : x
  2. Step 2: Convert to fraction form
    11,265.87/15,550.04 = 6,551.07/x
  3. Step 3: Cross multiply
    11,265.87x = 15,550.04 × 6,551.07
  4. Step 4: Simplify right side
    11,265.87x = 101,869,400.54
  5. Step 5: Solve for x
    x = 101,869,400.54/11,265.87
  6. Step 6: Final answer
    x = 9,042.30

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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.