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Finding the Fourth Proportional to 3,049.88, 4,574.81 and 741.38

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Solution

The fourth proportional to 3,049.88, 4,574.81 and 741.38 is: 1,112.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.88 : 4,574.81 = 741.38 : x
  2. Step 2: Convert to fraction form
    3,049.88/4,574.81 = 741.38/x
  3. Step 3: Cross multiply
    3,049.88x = 4,574.81 × 741.38
  4. Step 4: Simplify right side
    3,049.88x = 3,391,651.62
  5. Step 5: Solve for x
    x = 3,391,651.62/3,049.88
  6. Step 6: Final answer
    x = 1,112.06

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1.5x scale

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.