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Finding the Fourth Proportional to 3,493.18, 4,821.06 and 3,197.92

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Solution

The fourth proportional to 3,493.18, 4,821.06 and 3,197.92 is: 4,413.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.18 : 4,821.06 = 3,197.92 : x
  2. Step 2: Convert to fraction form
    3,493.18/4,821.06 = 3,197.92/x
  3. Step 3: Cross multiply
    3,493.18x = 4,821.06 × 3,197.92
  4. Step 4: Simplify right side
    3,493.18x = 15,417,364.20
  5. Step 5: Solve for x
    x = 15,417,364.20/3,493.18
  6. Step 6: Final answer
    x = 4,413.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.