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Finding the Fourth Proportional to 8,569.24, 12,856.02 and 3,375.52

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Solution

The fourth proportional to 8,569.24, 12,856.02 and 3,375.52 is: 5,064.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569.24 : 12,856.02 = 3,375.52 : x
  2. Step 2: Convert to fraction form
    8,569.24/12,856.02 = 3,375.52/x
  3. Step 3: Cross multiply
    8,569.24x = 12,856.02 × 3,375.52
  4. Step 4: Simplify right side
    8,569.24x = 43,395,752.63
  5. Step 5: Solve for x
    x = 43,395,752.63/8,569.24
  6. Step 6: Final answer
    x = 5,064.13

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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.