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Finding the Fourth Proportional to 36,559.68, 54,854.24 and 13,187.68

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Solution

The fourth proportional to 36,559.68, 54,854.24 and 13,187.68 is: 19,786.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,559.68 : 54,854.24 = 13,187.68 : x
  2. Step 2: Convert to fraction form
    36,559.68/54,854.24 = 13,187.68/x
  3. Step 3: Cross multiply
    36,559.68x = 54,854.24 × 13,187.68
  4. Step 4: Simplify right side
    36,559.68x = 723,400,163.76
  5. Step 5: Solve for x
    x = 723,400,163.76/36,559.68
  6. Step 6: Final answer
    x = 19,786.83

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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.