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Finding the Fourth Proportional to 15,319.52, 22,966.82 and 5,453.41

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Solution

The fourth proportional to 15,319.52, 22,966.82 and 5,453.41 is: 8,175.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,319.52 : 22,966.82 = 5,453.41 : x
  2. Step 2: Convert to fraction form
    15,319.52/22,966.82 = 5,453.41/x
  3. Step 3: Cross multiply
    15,319.52x = 22,966.82 × 5,453.41
  4. Step 4: Simplify right side
    15,319.52x = 125,247,485.86
  5. Step 5: Solve for x
    x = 125,247,485.86/15,319.52
  6. Step 6: Final answer
    x = 8,175.68

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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.