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Finding the Fourth Proportional to 6,627.52, 9,147.52 and 3,974.08

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Solution

The fourth proportional to 6,627.52, 9,147.52 and 3,974.08 is: 5,485.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.52 : 9,147.52 = 3,974.08 : x
  2. Step 2: Convert to fraction form
    6,627.52/9,147.52 = 3,974.08/x
  3. Step 3: Cross multiply
    6,627.52x = 9,147.52 × 3,974.08
  4. Step 4: Simplify right side
    6,627.52x = 36,352,976.28
  5. Step 5: Solve for x
    x = 36,352,976.28/6,627.52
  6. Step 6: Final answer
    x = 5,485.16

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Similar ratio
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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.