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Finding the Fourth Proportional to 8,592.42, 12,887.80 and 2,747.46

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Solution

The fourth proportional to 8,592.42, 12,887.80 and 2,747.46 is: 4,120.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,592.42 : 12,887.80 = 2,747.46 : x
  2. Step 2: Convert to fraction form
    8,592.42/12,887.80 = 2,747.46/x
  3. Step 3: Cross multiply
    8,592.42x = 12,887.80 × 2,747.46
  4. Step 4: Simplify right side
    8,592.42x = 35,408,714.99
  5. Step 5: Solve for x
    x = 35,408,714.99/8,592.42
  6. Step 6: Final answer
    x = 4,120.92

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1.5x scale

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.