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Finding the Fourth Proportional to 39,162, 54,088.44 and 25,793

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Solution

The fourth proportional to 39,162, 54,088.44 and 25,793 is: 35,623.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,162 : 54,088.44 = 25,793 : x
  2. Step 2: Convert to fraction form
    39,162/54,088.44 = 25,793/x
  3. Step 3: Cross multiply
    39,162x = 54,088.44 × 25,793
  4. Step 4: Simplify right side
    39,162x = 1,395,103,132.92
  5. Step 5: Solve for x
    x = 1,395,103,132.92/39,162
  6. Step 6: Final answer
    x = 35,623.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.