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Finding the Fourth Proportional to 2,008.88, 2,772.18 and 1,169.62

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Solution

The fourth proportional to 2,008.88, 2,772.18 and 1,169.62 is: 1,614.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008.88 : 2,772.18 = 1,169.62 : x
  2. Step 2: Convert to fraction form
    2,008.88/2,772.18 = 1,169.62/x
  3. Step 3: Cross multiply
    2,008.88x = 2,772.18 × 1,169.62
  4. Step 4: Simplify right side
    2,008.88x = 3,242,397.17
  5. Step 5: Solve for x
    x = 3,242,397.17/2,008.88
  6. Step 6: Final answer
    x = 1,614.03

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Why These Related Problems?

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