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Finding the Fourth Proportional to 2,950.88, 4,426.34 and 1,219.48

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Solution

The fourth proportional to 2,950.88, 4,426.34 and 1,219.48 is: 1,829.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.88 : 4,426.34 = 1,219.48 : x
  2. Step 2: Convert to fraction form
    2,950.88/4,426.34 = 1,219.48/x
  3. Step 3: Cross multiply
    2,950.88x = 4,426.34 × 1,219.48
  4. Step 4: Simplify right side
    2,950.88x = 5,397,833.10
  5. Step 5: Solve for x
    x = 5,397,833.10/2,950.88
  6. Step 6: Final answer
    x = 1,829.23

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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.