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Finding the Fourth Proportional to 6,632.64, 9,948.96 and 2,015.64

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Solution

The fourth proportional to 6,632.64, 9,948.96 and 2,015.64 is: 3,023.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,632.64 : 9,948.96 = 2,015.64 : x
  2. Step 2: Convert to fraction form
    6,632.64/9,948.96 = 2,015.64/x
  3. Step 3: Cross multiply
    6,632.64x = 9,948.96 × 2,015.64
  4. Step 4: Simplify right side
    6,632.64x = 20,053,521.73
  5. Step 5: Solve for x
    x = 20,053,521.73/6,632.64
  6. Step 6: Final answer
    x = 3,023.46

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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.