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Finding the Fourth Proportional to 10,144.44, 13,998.02 and 6,612.44

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Solution

The fourth proportional to 10,144.44, 13,998.02 and 6,612.44 is: 9,124.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.44 : 13,998.02 = 6,612.44 : x
  2. Step 2: Convert to fraction form
    10,144.44/13,998.02 = 6,612.44/x
  3. Step 3: Cross multiply
    10,144.44x = 13,998.02 × 6,612.44
  4. Step 4: Simplify right side
    10,144.44x = 92,560,964.32
  5. Step 5: Solve for x
    x = 92,560,964.32/10,144.44
  6. Step 6: Final answer
    x = 9,124.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.