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Finding the Fourth Proportional to 3,755.22, 5,631.12 and 1,562.64

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Solution

The fourth proportional to 3,755.22, 5,631.12 and 1,562.64 is: 2,343.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.22 : 5,631.12 = 1,562.64 : x
  2. Step 2: Convert to fraction form
    3,755.22/5,631.12 = 1,562.64/x
  3. Step 3: Cross multiply
    3,755.22x = 5,631.12 × 1,562.64
  4. Step 4: Simplify right side
    3,755.22x = 8,799,413.36
  5. Step 5: Solve for x
    x = 8,799,413.36/3,755.22
  6. Step 6: Final answer
    x = 2,343.25

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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.