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Finding the Fourth Proportional to 5,608.99, 8,409.97 and 2,488.87

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Solution

The fourth proportional to 5,608.99, 8,409.97 and 2,488.87 is: 3,731.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.99 : 8,409.97 = 2,488.87 : x
  2. Step 2: Convert to fraction form
    5,608.99/8,409.97 = 2,488.87/x
  3. Step 3: Cross multiply
    5,608.99x = 8,409.97 × 2,488.87
  4. Step 4: Simplify right side
    5,608.99x = 20,931,322.03
  5. Step 5: Solve for x
    x = 20,931,322.03/5,608.99
  6. Step 6: Final answer
    x = 3,731.75

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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.