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Finding the Fourth Proportional to 5,166.08, 7,147.52 and 4,974.08

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Solution

The fourth proportional to 5,166.08, 7,147.52 and 4,974.08 is: 6,881.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.08 : 7,147.52 = 4,974.08 : x
  2. Step 2: Convert to fraction form
    5,166.08/7,147.52 = 4,974.08/x
  3. Step 3: Cross multiply
    5,166.08x = 7,147.52 × 4,974.08
  4. Step 4: Simplify right side
    5,166.08x = 35,552,336.28
  5. Step 5: Solve for x
    x = 35,552,336.28/5,166.08
  6. Step 6: Final answer
    x = 6,881.88

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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.