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Finding the Fourth Proportional to 14,119.98, 21,179.97 and 4,883.82

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Solution

The fourth proportional to 14,119.98, 21,179.97 and 4,883.82 is: 7,325.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.98 : 21,179.97 = 4,883.82 : x
  2. Step 2: Convert to fraction form
    14,119.98/21,179.97 = 4,883.82/x
  3. Step 3: Cross multiply
    14,119.98x = 21,179.97 × 4,883.82
  4. Step 4: Simplify right side
    14,119.98x = 103,439,161.09
  5. Step 5: Solve for x
    x = 103,439,161.09/14,119.98
  6. Step 6: Final answer
    x = 7,325.73

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Similar ratio
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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.