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Finding the Fourth Proportional to 8,882.76, 13,326.24 and 3,039.24

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Solution

The fourth proportional to 8,882.76, 13,326.24 and 3,039.24 is: 4,559.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.76 : 13,326.24 = 3,039.24 : x
  2. Step 2: Convert to fraction form
    8,882.76/13,326.24 = 3,039.24/x
  3. Step 3: Cross multiply
    8,882.76x = 13,326.24 × 3,039.24
  4. Step 4: Simplify right side
    8,882.76x = 40,501,641.66
  5. Step 5: Solve for x
    x = 40,501,641.66/8,882.76
  6. Step 6: Final answer
    x = 4,559.58

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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.