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Finding the Fourth Proportional to 2,979.97, 4,449.88 and 2,433.22

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Solution

The fourth proportional to 2,979.97, 4,449.88 and 2,433.22 is: 3,633.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.97 : 4,449.88 = 2,433.22 : x
  2. Step 2: Convert to fraction form
    2,979.97/4,449.88 = 2,433.22/x
  3. Step 3: Cross multiply
    2,979.97x = 4,449.88 × 2,433.22
  4. Step 4: Simplify right side
    2,979.97x = 10,827,537.01
  5. Step 5: Solve for x
    x = 10,827,537.01/2,979.97
  6. Step 6: Final answer
    x = 3,633.44

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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.