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Finding the Fourth Proportional to 5,299.93, 7,947.99 and 1,601.20

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Solution

The fourth proportional to 5,299.93, 7,947.99 and 1,601.20 is: 2,401.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.93 : 7,947.99 = 1,601.20 : x
  2. Step 2: Convert to fraction form
    5,299.93/7,947.99 = 1,601.20/x
  3. Step 3: Cross multiply
    5,299.93x = 7,947.99 × 1,601.20
  4. Step 4: Simplify right side
    5,299.93x = 12,726,321.59
  5. Step 5: Solve for x
    x = 12,726,321.59/5,299.93
  6. Step 6: Final answer
    x = 2,401.22

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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.