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Finding the Fourth Proportional to 2,002.52, 2,996.68 and 1,755.08

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Solution

The fourth proportional to 2,002.52, 2,996.68 and 1,755.08 is: 2,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002.52 : 2,996.68 = 1,755.08 : x
  2. Step 2: Convert to fraction form
    2,002.52/2,996.68 = 1,755.08/x
  3. Step 3: Cross multiply
    2,002.52x = 2,996.68 × 1,755.08
  4. Step 4: Simplify right side
    2,002.52x = 5,259,413.13
  5. Step 5: Solve for x
    x = 5,259,413.13/2,002.52
  6. Step 6: Final answer
    x = 2,626.40

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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.