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Finding the Fourth Proportional to 36,491.67, 54,762.06 and 12,799.43

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Solution

The fourth proportional to 36,491.67, 54,762.06 and 12,799.43 is: 19,207.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,491.67 : 54,762.06 = 12,799.43 : x
  2. Step 2: Convert to fraction form
    36,491.67/54,762.06 = 12,799.43/x
  3. Step 3: Cross multiply
    36,491.67x = 54,762.06 × 12,799.43
  4. Step 4: Simplify right side
    36,491.67x = 700,923,153.63
  5. Step 5: Solve for x
    x = 700,923,153.63/36,491.67
  6. Step 6: Final answer
    x = 19,207.76

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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.