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Finding the Fourth Proportional to 27,919.66, 41,885.67 and 9,198.94

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Solution

The fourth proportional to 27,919.66, 41,885.67 and 9,198.94 is: 13,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,919.66 : 41,885.67 = 9,198.94 : x
  2. Step 2: Convert to fraction form
    27,919.66/41,885.67 = 9,198.94/x
  3. Step 3: Cross multiply
    27,919.66x = 41,885.67 × 9,198.94
  4. Step 4: Simplify right side
    27,919.66x = 385,303,742.19
  5. Step 5: Solve for x
    x = 385,303,742.19/27,919.66
  6. Step 6: Final answer
    x = 13,800.45

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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.