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Finding the Fourth Proportional to 47,373.66, 65,380.47 and 27,231.39

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Solution

The fourth proportional to 47,373.66, 65,380.47 and 27,231.39 is: 37,582.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,373.66 : 65,380.47 = 27,231.39 : x
  2. Step 2: Convert to fraction form
    47,373.66/65,380.47 = 27,231.39/x
  3. Step 3: Cross multiply
    47,373.66x = 65,380.47 × 27,231.39
  4. Step 4: Simplify right side
    47,373.66x = 1,780,400,974.84
  5. Step 5: Solve for x
    x = 1,780,400,974.84/47,373.66
  6. Step 6: Final answer
    x = 37,582.09

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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.