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Finding the Fourth Proportional to 8,279.41, 11,425.57 and 4,553.41

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Solution

The fourth proportional to 8,279.41, 11,425.57 and 4,553.41 is: 6,283.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.41 : 11,425.57 = 4,553.41 : x
  2. Step 2: Convert to fraction form
    8,279.41/11,425.57 = 4,553.41/x
  3. Step 3: Cross multiply
    8,279.41x = 11,425.57 × 4,553.41
  4. Step 4: Simplify right side
    8,279.41x = 52,025,304.69
  5. Step 5: Solve for x
    x = 52,025,304.69/8,279.41
  6. Step 6: Final answer
    x = 6,283.70

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1.5x scale

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.