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Finding the Fourth Proportional to 3,304.98, 4,561.23 and 1,979.01

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Solution

The fourth proportional to 3,304.98, 4,561.23 and 1,979.01 is: 2,731.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,304.98 : 4,561.23 = 1,979.01 : x
  2. Step 2: Convert to fraction form
    3,304.98/4,561.23 = 1,979.01/x
  3. Step 3: Cross multiply
    3,304.98x = 4,561.23 × 1,979.01
  4. Step 4: Simplify right side
    3,304.98x = 9,026,719.78
  5. Step 5: Solve for x
    x = 9,026,719.78/3,304.98
  6. Step 6: Final answer
    x = 2,731.25

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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.