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Finding the Fourth Proportional to 8,672.52, 13,003.92 and 3,472.32

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Solution

The fourth proportional to 8,672.52, 13,003.92 and 3,472.32 is: 5,206.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672.52 : 13,003.92 = 3,472.32 : x
  2. Step 2: Convert to fraction form
    8,672.52/13,003.92 = 3,472.32/x
  3. Step 3: Cross multiply
    8,672.52x = 13,003.92 × 3,472.32
  4. Step 4: Simplify right side
    8,672.52x = 45,153,771.49
  5. Step 5: Solve for x
    x = 45,153,771.49/8,672.52
  6. Step 6: Final answer
    x = 5,206.53

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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.