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Finding the Fourth Proportional to 6,628.52, 9,942.94 and 2,732.92

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Solution

The fourth proportional to 6,628.52, 9,942.94 and 2,732.92 is: 4,099.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.52 : 9,942.94 = 2,732.92 : x
  2. Step 2: Convert to fraction form
    6,628.52/9,942.94 = 2,732.92/x
  3. Step 3: Cross multiply
    6,628.52x = 9,942.94 × 2,732.92
  4. Step 4: Simplify right side
    6,628.52x = 27,173,259.58
  5. Step 5: Solve for x
    x = 27,173,259.58/6,628.52
  6. Step 6: Final answer
    x = 4,099.45

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Similar ratio
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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.