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Finding the Fourth Proportional to 36,658.57, 50,588.82 and 19,891.57

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Solution

The fourth proportional to 36,658.57, 50,588.82 and 19,891.57 is: 27,450.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,658.57 : 50,588.82 = 19,891.57 : x
  2. Step 2: Convert to fraction form
    36,658.57/50,588.82 = 19,891.57/x
  3. Step 3: Cross multiply
    36,658.57x = 50,588.82 × 19,891.57
  4. Step 4: Simplify right side
    36,658.57x = 1,006,290,701.85
  5. Step 5: Solve for x
    x = 1,006,290,701.85/36,658.57
  6. Step 6: Final answer
    x = 27,450.36

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1.5x scale

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.