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Finding the Fourth Proportional to 8,013.50, 11,058 and 4,428.44

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Solution

The fourth proportional to 8,013.50, 11,058 and 4,428.44 is: 6,110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.50 : 11,058 = 4,428.44 : x
  2. Step 2: Convert to fraction form
    8,013.50/11,058 = 4,428.44/x
  3. Step 3: Cross multiply
    8,013.50x = 11,058 × 4,428.44
  4. Step 4: Simplify right side
    8,013.50x = 48,969,634.23
  5. Step 5: Solve for x
    x = 48,969,634.23/8,013.50
  6. Step 6: Final answer
    x = 6,110.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.