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Finding the Fourth Proportional to 36,487.62, 54,788.73 and 21,762.22

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Solution

The fourth proportional to 36,487.62, 54,788.73 and 21,762.22 is: 32,677.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,487.62 : 54,788.73 = 21,762.22 : x
  2. Step 2: Convert to fraction form
    36,487.62/54,788.73 = 21,762.22/x
  3. Step 3: Cross multiply
    36,487.62x = 54,788.73 × 21,762.22
  4. Step 4: Simplify right side
    36,487.62x = 1,192,324,395.78
  5. Step 5: Solve for x
    x = 1,192,324,395.78/36,487.62
  6. Step 6: Final answer
    x = 32,677.51

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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.