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Finding the Fourth Proportional to 10,108.68, 15,163.02 and 3,183

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Solution

The fourth proportional to 10,108.68, 15,163.02 and 3,183 is: 4,774.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.68 : 15,163.02 = 3,183 : x
  2. Step 2: Convert to fraction form
    10,108.68/15,163.02 = 3,183/x
  3. Step 3: Cross multiply
    10,108.68x = 15,163.02 × 3,183
  4. Step 4: Simplify right side
    10,108.68x = 48,263,892.66
  5. Step 5: Solve for x
    x = 48,263,892.66/10,108.68
  6. Step 6: Final answer
    x = 4,774.50

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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.