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Finding the Fourth Proportional to 8,502.35, 12,753.55 and 2,579.28

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Solution

The fourth proportional to 8,502.35, 12,753.55 and 2,579.28 is: 3,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.35 : 12,753.55 = 2,579.28 : x
  2. Step 2: Convert to fraction form
    8,502.35/12,753.55 = 2,579.28/x
  3. Step 3: Cross multiply
    8,502.35x = 12,753.55 × 2,579.28
  4. Step 4: Simplify right side
    8,502.35x = 32,895,024.27
  5. Step 5: Solve for x
    x = 32,895,024.27/8,502.35
  6. Step 6: Final answer
    x = 3,868.93

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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.