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Finding the Fourth Proportional to 38,791.99, 58,187.97 and 10,711.11

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Solution

The fourth proportional to 38,791.99, 58,187.97 and 10,711.11 is: 16,066.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,791.99 : 58,187.97 = 10,711.11 : x
  2. Step 2: Convert to fraction form
    38,791.99/58,187.97 = 10,711.11/x
  3. Step 3: Cross multiply
    38,791.99x = 58,187.97 × 10,711.11
  4. Step 4: Simplify right side
    38,791.99x = 623,257,747.35
  5. Step 5: Solve for x
    x = 623,257,747.35/38,791.99
  6. Step 6: Final answer
    x = 16,066.66

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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.