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Finding the Fourth Proportional to 5,299.92, 7,944.03 and 2,663.19

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Solution

The fourth proportional to 5,299.92, 7,944.03 and 2,663.19 is: 3,991.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.92 : 7,944.03 = 2,663.19 : x
  2. Step 2: Convert to fraction form
    5,299.92/7,944.03 = 2,663.19/x
  3. Step 3: Cross multiply
    5,299.92x = 7,944.03 × 2,663.19
  4. Step 4: Simplify right side
    5,299.92x = 21,156,461.26
  5. Step 5: Solve for x
    x = 21,156,461.26/5,299.92
  6. Step 6: Final answer
    x = 3,991.85

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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.