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Finding the Fourth Proportional to 3,874.42, 5,806.77 and 1,923.13

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Solution

The fourth proportional to 3,874.42, 5,806.77 and 1,923.13 is: 2,882.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.42 : 5,806.77 = 1,923.13 : x
  2. Step 2: Convert to fraction form
    3,874.42/5,806.77 = 1,923.13/x
  3. Step 3: Cross multiply
    3,874.42x = 5,806.77 × 1,923.13
  4. Step 4: Simplify right side
    3,874.42x = 11,167,173.59
  5. Step 5: Solve for x
    x = 11,167,173.59/3,874.42
  6. Step 6: Final answer
    x = 2,882.28

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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.