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Finding the Fourth Proportional to 5,868.73, 8,790.07 and 4,199.75

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Solution

The fourth proportional to 5,868.73, 8,790.07 and 4,199.75 is: 6,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.73 : 8,790.07 = 4,199.75 : x
  2. Step 2: Convert to fraction form
    5,868.73/8,790.07 = 4,199.75/x
  3. Step 3: Cross multiply
    5,868.73x = 8,790.07 × 4,199.75
  4. Step 4: Simplify right side
    5,868.73x = 36,916,096.48
  5. Step 5: Solve for x
    x = 36,916,096.48/5,868.73
  6. Step 6: Final answer
    x = 6,290.30

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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.