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Finding the Fourth Proportional to 8,552.78, 12,841.10 and 4,396.31

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Solution

The fourth proportional to 8,552.78, 12,841.10 and 4,396.31 is: 6,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,552.78 : 12,841.10 = 4,396.31 : x
  2. Step 2: Convert to fraction form
    8,552.78/12,841.10 = 4,396.31/x
  3. Step 3: Cross multiply
    8,552.78x = 12,841.10 × 4,396.31
  4. Step 4: Simplify right side
    8,552.78x = 56,453,456.34
  5. Step 5: Solve for x
    x = 56,453,456.34/8,552.78
  6. Step 6: Final answer
    x = 6,600.60

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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.