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Finding the Fourth Proportional to 3,574.11, 4,932.41 and 2,002.22

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Solution

The fourth proportional to 3,574.11, 4,932.41 and 2,002.22 is: 2,763.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.11 : 4,932.41 = 2,002.22 : x
  2. Step 2: Convert to fraction form
    3,574.11/4,932.41 = 2,002.22/x
  3. Step 3: Cross multiply
    3,574.11x = 4,932.41 × 2,002.22
  4. Step 4: Simplify right side
    3,574.11x = 9,875,735.28
  5. Step 5: Solve for x
    x = 9,875,735.28/3,574.11
  6. Step 6: Final answer
    x = 2,763.13

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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.