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Finding the Fourth Proportional to 10,908.56, 16,337.10 and 5,344.40

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Solution

The fourth proportional to 10,908.56, 16,337.10 and 5,344.40 is: 8,003.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.56 : 16,337.10 = 5,344.40 : x
  2. Step 2: Convert to fraction form
    10,908.56/16,337.10 = 5,344.40/x
  3. Step 3: Cross multiply
    10,908.56x = 16,337.10 × 5,344.40
  4. Step 4: Simplify right side
    10,908.56x = 87,311,997.24
  5. Step 5: Solve for x
    x = 87,311,997.24/10,908.56
  6. Step 6: Final answer
    x = 8,003.99

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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.