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Finding the Fourth Proportional to 8,581.44, 12,896.34 and 5,073.10

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Solution

The fourth proportional to 8,581.44, 12,896.34 and 5,073.10 is: 7,623.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581.44 : 12,896.34 = 5,073.10 : x
  2. Step 2: Convert to fraction form
    8,581.44/12,896.34 = 5,073.10/x
  3. Step 3: Cross multiply
    8,581.44x = 12,896.34 × 5,073.10
  4. Step 4: Simplify right side
    8,581.44x = 65,424,390.21
  5. Step 5: Solve for x
    x = 65,424,390.21/8,581.44
  6. Step 6: Final answer
    x = 7,623.94

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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.