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Finding the Fourth Proportional to 2,008.80, 3,013.20 and 1,035.18

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Solution

The fourth proportional to 2,008.80, 3,013.20 and 1,035.18 is: 1,552.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008.80 : 3,013.20 = 1,035.18 : x
  2. Step 2: Convert to fraction form
    2,008.80/3,013.20 = 1,035.18/x
  3. Step 3: Cross multiply
    2,008.80x = 3,013.20 × 1,035.18
  4. Step 4: Simplify right side
    2,008.80x = 3,119,204.38
  5. Step 5: Solve for x
    x = 3,119,204.38/2,008.80
  6. Step 6: Final answer
    x = 1,552.77

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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.