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Finding the Fourth Proportional to 5,494.88, 8,242.30 and 3,028.40

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Solution

The fourth proportional to 5,494.88, 8,242.30 and 3,028.40 is: 4,542.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,494.88 : 8,242.30 = 3,028.40 : x
  2. Step 2: Convert to fraction form
    5,494.88/8,242.30 = 3,028.40/x
  3. Step 3: Cross multiply
    5,494.88x = 8,242.30 × 3,028.40
  4. Step 4: Simplify right side
    5,494.88x = 24,960,981.32
  5. Step 5: Solve for x
    x = 24,960,981.32/5,494.88
  6. Step 6: Final answer
    x = 4,542.59

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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.