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Finding the Fourth Proportional to 73,860.75, 110,791.13 and 18,456.75

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Solution

The fourth proportional to 73,860.75, 110,791.13 and 18,456.75 is: 27,685.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,860.75 : 110,791.13 = 18,456.75 : x
  2. Step 2: Convert to fraction form
    73,860.75/110,791.13 = 18,456.75/x
  3. Step 3: Cross multiply
    73,860.75x = 110,791.13 × 18,456.75
  4. Step 4: Simplify right side
    73,860.75x = 2,044,844,096.34
  5. Step 5: Solve for x
    x = 2,044,844,096.34/73,860.75
  6. Step 6: Final answer
    x = 27,685.13

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1.5x scale

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.