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Finding the Fourth Proportional to 8,528.52, 11,769.38 and 5,549.42

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Solution

The fourth proportional to 8,528.52, 11,769.38 and 5,549.42 is: 7,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.52 : 11,769.38 = 5,549.42 : x
  2. Step 2: Convert to fraction form
    8,528.52/11,769.38 = 5,549.42/x
  3. Step 3: Cross multiply
    8,528.52x = 11,769.38 × 5,549.42
  4. Step 4: Simplify right side
    8,528.52x = 65,313,255.25
  5. Step 5: Solve for x
    x = 65,313,255.25/8,528.52
  6. Step 6: Final answer
    x = 7,658.21

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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.