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Finding the Fourth Proportional to 5,399.48, 8,101.02 and 1,937

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Solution

The fourth proportional to 5,399.48, 8,101.02 and 1,937 is: 2,906.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.48 : 8,101.02 = 1,937 : x
  2. Step 2: Convert to fraction form
    5,399.48/8,101.02 = 1,937/x
  3. Step 3: Cross multiply
    5,399.48x = 8,101.02 × 1,937
  4. Step 4: Simplify right side
    5,399.48x = 15,691,675.74
  5. Step 5: Solve for x
    x = 15,691,675.74/5,399.48
  6. Step 6: Final answer
    x = 2,906.15

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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.