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Finding the Fourth Proportional to 2,008.68, 2,772.20 and 1,124.72

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Solution

The fourth proportional to 2,008.68, 2,772.20 and 1,124.72 is: 1,552.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008.68 : 2,772.20 = 1,124.72 : x
  2. Step 2: Convert to fraction form
    2,008.68/2,772.20 = 1,124.72/x
  3. Step 3: Cross multiply
    2,008.68x = 2,772.20 × 1,124.72
  4. Step 4: Simplify right side
    2,008.68x = 3,117,948.78
  5. Step 5: Solve for x
    x = 3,117,948.78/2,008.68
  6. Step 6: Final answer
    x = 1,552.24

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.