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Finding the Fourth Proportional to 5,659.94, 8,488.87 and 2,372.15

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Solution

The fourth proportional to 5,659.94, 8,488.87 and 2,372.15 is: 3,557.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659.94 : 8,488.87 = 2,372.15 : x
  2. Step 2: Convert to fraction form
    5,659.94/8,488.87 = 2,372.15/x
  3. Step 3: Cross multiply
    5,659.94x = 8,488.87 × 2,372.15
  4. Step 4: Simplify right side
    5,659.94x = 20,136,888.26
  5. Step 5: Solve for x
    x = 20,136,888.26/5,659.94
  6. Step 6: Final answer
    x = 3,557.79

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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.