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Finding the Fourth Proportional to 3,574.70, 4,933.07 and 2,002.79

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Solution

The fourth proportional to 3,574.70, 4,933.07 and 2,002.79 is: 2,763.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.70 : 4,933.07 = 2,002.79 : x
  2. Step 2: Convert to fraction form
    3,574.70/4,933.07 = 2,002.79/x
  3. Step 3: Cross multiply
    3,574.70x = 4,933.07 × 2,002.79
  4. Step 4: Simplify right side
    3,574.70x = 9,879,868.59
  5. Step 5: Solve for x
    x = 9,879,868.59/3,574.70
  6. Step 6: Final answer
    x = 2,763.84

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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.