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Finding the Fourth Proportional to 29,891.81, 44,799.44 and 14,061.80

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Solution

The fourth proportional to 29,891.81, 44,799.44 and 14,061.80 is: 21,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,891.81 : 44,799.44 = 14,061.80 : x
  2. Step 2: Convert to fraction form
    29,891.81/44,799.44 = 14,061.80/x
  3. Step 3: Cross multiply
    29,891.81x = 44,799.44 × 14,061.80
  4. Step 4: Simplify right side
    29,891.81x = 629,960,905.95
  5. Step 5: Solve for x
    x = 629,960,905.95/29,891.81
  6. Step 6: Final answer
    x = 21,074.70

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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.