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Finding the Fourth Proportional to 6,631.92, 9,950.76 and 2,015.28

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Solution

The fourth proportional to 6,631.92, 9,950.76 and 2,015.28 is: 3,023.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.92 : 9,950.76 = 2,015.28 : x
  2. Step 2: Convert to fraction form
    6,631.92/9,950.76 = 2,015.28/x
  3. Step 3: Cross multiply
    6,631.92x = 9,950.76 × 2,015.28
  4. Step 4: Simplify right side
    6,631.92x = 20,053,567.61
  5. Step 5: Solve for x
    x = 20,053,567.61/6,631.92
  6. Step 6: Final answer
    x = 3,023.80

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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.