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Finding the Fourth Proportional to 3,971.62, 5,957.82 and 1,049.95

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Solution

The fourth proportional to 3,971.62, 5,957.82 and 1,049.95 is: 1,575.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.62 : 5,957.82 = 1,049.95 : x
  2. Step 2: Convert to fraction form
    3,971.62/5,957.82 = 1,049.95/x
  3. Step 3: Cross multiply
    3,971.62x = 5,957.82 × 1,049.95
  4. Step 4: Simplify right side
    3,971.62x = 6,255,413.11
  5. Step 5: Solve for x
    x = 6,255,413.11/3,971.62
  6. Step 6: Final answer
    x = 1,575.03

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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.