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Finding the Fourth Proportional to 6,646.32, 9,942.60 and 5,552.88

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Solution

The fourth proportional to 6,646.32, 9,942.60 and 5,552.88 is: 8,306.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646.32 : 9,942.60 = 5,552.88 : x
  2. Step 2: Convert to fraction form
    6,646.32/9,942.60 = 5,552.88/x
  3. Step 3: Cross multiply
    6,646.32x = 9,942.60 × 5,552.88
  4. Step 4: Simplify right side
    6,646.32x = 55,210,064.69
  5. Step 5: Solve for x
    x = 55,210,064.69/6,646.32
  6. Step 6: Final answer
    x = 8,306.86

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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.