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Finding the Fourth Proportional to 3,344.61, 4,990.65 and 3,049.94

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Solution

The fourth proportional to 3,344.61, 4,990.65 and 3,049.94 is: 4,550.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,344.61 : 4,990.65 = 3,049.94 : x
  2. Step 2: Convert to fraction form
    3,344.61/4,990.65 = 3,049.94/x
  3. Step 3: Cross multiply
    3,344.61x = 4,990.65 × 3,049.94
  4. Step 4: Simplify right side
    3,344.61x = 15,221,158.11
  5. Step 5: Solve for x
    x = 15,221,158.11/3,344.61
  6. Step 6: Final answer
    x = 4,550.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.