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Finding the Fourth Proportional to 36,012.60, 54,021.60 and 9,716.76

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Solution

The fourth proportional to 36,012.60, 54,021.60 and 9,716.76 is: 14,575.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,012.60 : 54,021.60 = 9,716.76 : x
  2. Step 2: Convert to fraction form
    36,012.60/54,021.60 = 9,716.76/x
  3. Step 3: Cross multiply
    36,012.60x = 54,021.60 × 9,716.76
  4. Step 4: Simplify right side
    36,012.60x = 524,914,922.02
  5. Step 5: Solve for x
    x = 524,914,922.02/36,012.60
  6. Step 6: Final answer
    x = 14,575.87

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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.