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Finding the Fourth Proportional to 3,862.08, 5,793.07 and 940.36

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Solution

The fourth proportional to 3,862.08, 5,793.07 and 940.36 is: 1,410.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.08 : 5,793.07 = 940.36 : x
  2. Step 2: Convert to fraction form
    3,862.08/5,793.07 = 940.36/x
  3. Step 3: Cross multiply
    3,862.08x = 5,793.07 × 940.36
  4. Step 4: Simplify right side
    3,862.08x = 5,447,567.10
  5. Step 5: Solve for x
    x = 5,447,567.10/3,862.08
  6. Step 6: Final answer
    x = 1,410.53

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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.