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Finding the Fourth Proportional to 5,373.81, 8,061.22 and 1,863.27

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Solution

The fourth proportional to 5,373.81, 8,061.22 and 1,863.27 is: 2,795.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.81 : 8,061.22 = 1,863.27 : x
  2. Step 2: Convert to fraction form
    5,373.81/8,061.22 = 1,863.27/x
  3. Step 3: Cross multiply
    5,373.81x = 8,061.22 × 1,863.27
  4. Step 4: Simplify right side
    5,373.81x = 15,020,224.73
  5. Step 5: Solve for x
    x = 15,020,224.73/5,373.81
  6. Step 6: Final answer
    x = 2,795.08

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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.