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Finding the Fourth Proportional to 6,179.25, 9,278.13 and 5,348.89

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Solution

The fourth proportional to 6,179.25, 9,278.13 and 5,348.89 is: 8,031.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,179.25 : 9,278.13 = 5,348.89 : x
  2. Step 2: Convert to fraction form
    6,179.25/9,278.13 = 5,348.89/x
  3. Step 3: Cross multiply
    6,179.25x = 9,278.13 × 5,348.89
  4. Step 4: Simplify right side
    6,179.25x = 49,627,696.78
  5. Step 5: Solve for x
    x = 49,627,696.78/6,179.25
  6. Step 6: Final answer
    x = 8,031.35

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1.5x scale

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.