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Finding the Fourth Proportional to 36,605.70, 54,890.13 and 17,887.14

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Solution

The fourth proportional to 36,605.70, 54,890.13 and 17,887.14 is: 26,821.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,605.70 : 54,890.13 = 17,887.14 : x
  2. Step 2: Convert to fraction form
    36,605.70/54,890.13 = 17,887.14/x
  3. Step 3: Cross multiply
    36,605.70x = 54,890.13 × 17,887.14
  4. Step 4: Simplify right side
    36,605.70x = 981,827,439.93
  5. Step 5: Solve for x
    x = 981,827,439.93/36,605.70
  6. Step 6: Final answer
    x = 26,821.71

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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.