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Finding the Fourth Proportional to 8,442.44, 12,611.01 and 6,255.44

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Solution

The fourth proportional to 8,442.44, 12,611.01 and 6,255.44 is: 9,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.44 : 12,611.01 = 6,255.44 : x
  2. Step 2: Convert to fraction form
    8,442.44/12,611.01 = 6,255.44/x
  3. Step 3: Cross multiply
    8,442.44x = 12,611.01 × 6,255.44
  4. Step 4: Simplify right side
    8,442.44x = 78,887,416.39
  5. Step 5: Solve for x
    x = 78,887,416.39/8,442.44
  6. Step 6: Final answer
    x = 9,344.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.