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Finding the Fourth Proportional to 6,656.24, 9,986.52 and 2,763.92

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Solution

The fourth proportional to 6,656.24, 9,986.52 and 2,763.92 is: 4,146.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.24 : 9,986.52 = 2,763.92 : x
  2. Step 2: Convert to fraction form
    6,656.24/9,986.52 = 2,763.92/x
  3. Step 3: Cross multiply
    6,656.24x = 9,986.52 × 2,763.92
  4. Step 4: Simplify right side
    6,656.24x = 27,601,942.36
  5. Step 5: Solve for x
    x = 27,601,942.36/6,656.24
  6. Step 6: Final answer
    x = 4,146.78

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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.