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Finding the Fourth Proportional to 3,872.40, 5,808.52 and 950.59

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Solution

The fourth proportional to 3,872.40, 5,808.52 and 950.59 is: 1,425.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.40 : 5,808.52 = 950.59 : x
  2. Step 2: Convert to fraction form
    3,872.40/5,808.52 = 950.59/x
  3. Step 3: Cross multiply
    3,872.40x = 5,808.52 × 950.59
  4. Step 4: Simplify right side
    3,872.40x = 5,521,521.03
  5. Step 5: Solve for x
    x = 5,521,521.03/3,872.40
  6. Step 6: Final answer
    x = 1,425.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.