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Finding the Fourth Proportional to 3,771.18, 5,658.03 and 1,823.13

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Solution

The fourth proportional to 3,771.18, 5,658.03 and 1,823.13 is: 2,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.18 : 5,658.03 = 1,823.13 : x
  2. Step 2: Convert to fraction form
    3,771.18/5,658.03 = 1,823.13/x
  3. Step 3: Cross multiply
    3,771.18x = 5,658.03 × 1,823.13
  4. Step 4: Simplify right side
    3,771.18x = 10,315,324.23
  5. Step 5: Solve for x
    x = 10,315,324.23/3,771.18
  6. Step 6: Final answer
    x = 2,735.30

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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.