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Finding the Fourth Proportional to 36,859.80, 55,300.64 and 14,660.56

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Solution

The fourth proportional to 36,859.80, 55,300.64 and 14,660.56 is: 21,995.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,859.80 : 55,300.64 = 14,660.56 : x
  2. Step 2: Convert to fraction form
    36,859.80/55,300.64 = 14,660.56/x
  3. Step 3: Cross multiply
    36,859.80x = 55,300.64 × 14,660.56
  4. Step 4: Simplify right side
    36,859.80x = 810,738,350.76
  5. Step 5: Solve for x
    x = 810,738,350.76/36,859.80
  6. Step 6: Final answer
    x = 21,995.19

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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.