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Finding the Fourth Proportional to 10,086.44, 15,134.44 and 5,410.36

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Solution

The fourth proportional to 10,086.44, 15,134.44 and 5,410.36 is: 8,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,086.44 : 15,134.44 = 5,410.36 : x
  2. Step 2: Convert to fraction form
    10,086.44/15,134.44 = 5,410.36/x
  3. Step 3: Cross multiply
    10,086.44x = 15,134.44 × 5,410.36
  4. Step 4: Simplify right side
    10,086.44x = 81,882,768.80
  5. Step 5: Solve for x
    x = 81,882,768.80/10,086.44
  6. Step 6: Final answer
    x = 8,118.10

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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.