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Finding the Fourth Proportional to 8,502.97, 12,754.49 and 2,579.91

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Solution

The fourth proportional to 8,502.97, 12,754.49 and 2,579.91 is: 3,869.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.97 : 12,754.49 = 2,579.91 : x
  2. Step 2: Convert to fraction form
    8,502.97/12,754.49 = 2,579.91/x
  3. Step 3: Cross multiply
    8,502.97x = 12,754.49 × 2,579.91
  4. Step 4: Simplify right side
    8,502.97x = 32,905,430.12
  5. Step 5: Solve for x
    x = 32,905,430.12/8,502.97
  6. Step 6: Final answer
    x = 3,869.87

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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.