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Finding the Fourth Proportional to 3,753.52, 5,630.50 and 1,413.28

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Solution

The fourth proportional to 3,753.52, 5,630.50 and 1,413.28 is: 2,120.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.52 : 5,630.50 = 1,413.28 : x
  2. Step 2: Convert to fraction form
    3,753.52/5,630.50 = 1,413.28/x
  3. Step 3: Cross multiply
    3,753.52x = 5,630.50 × 1,413.28
  4. Step 4: Simplify right side
    3,753.52x = 7,957,473.04
  5. Step 5: Solve for x
    x = 7,957,473.04/3,753.52
  6. Step 6: Final answer
    x = 2,120.00

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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.