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Finding the Fourth Proportional to 8,572.84, 12,863.07 and 5,452.02

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Solution

The fourth proportional to 8,572.84, 12,863.07 and 5,452.02 is: 8,180.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572.84 : 12,863.07 = 5,452.02 : x
  2. Step 2: Convert to fraction form
    8,572.84/12,863.07 = 5,452.02/x
  3. Step 3: Cross multiply
    8,572.84x = 12,863.07 × 5,452.02
  4. Step 4: Simplify right side
    8,572.84x = 70,129,714.90
  5. Step 5: Solve for x
    x = 70,129,714.90/8,572.84
  6. Step 6: Final answer
    x = 8,180.46

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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.