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Finding the Fourth Proportional to 3,950.64, 5,918.13 and 3,019.23

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Solution

The fourth proportional to 3,950.64, 5,918.13 and 3,019.23 is: 4,522.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.64 : 5,918.13 = 3,019.23 : x
  2. Step 2: Convert to fraction form
    3,950.64/5,918.13 = 3,019.23/x
  3. Step 3: Cross multiply
    3,950.64x = 5,918.13 × 3,019.23
  4. Step 4: Simplify right side
    3,950.64x = 17,868,195.64
  5. Step 5: Solve for x
    x = 17,868,195.64/3,950.64
  6. Step 6: Final answer
    x = 4,522.86

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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.