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Finding the Fourth Proportional to 43,836.87, 65,713.68 and 14,233.98

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Solution

The fourth proportional to 43,836.87, 65,713.68 and 14,233.98 is: 21,337.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,836.87 : 65,713.68 = 14,233.98 : x
  2. Step 2: Convert to fraction form
    43,836.87/65,713.68 = 14,233.98/x
  3. Step 3: Cross multiply
    43,836.87x = 65,713.68 × 14,233.98
  4. Step 4: Simplify right side
    43,836.87x = 935,367,206.85
  5. Step 5: Solve for x
    x = 935,367,206.85/43,836.87
  6. Step 6: Final answer
    x = 21,337.45

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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.