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Finding the Fourth Proportional to 8,803.71, 13,196.67 and 5,519.11

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Solution

The fourth proportional to 8,803.71, 13,196.67 and 5,519.11 is: 8,273.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.71 : 13,196.67 = 5,519.11 : x
  2. Step 2: Convert to fraction form
    8,803.71/13,196.67 = 5,519.11/x
  3. Step 3: Cross multiply
    8,803.71x = 13,196.67 × 5,519.11
  4. Step 4: Simplify right side
    8,803.71x = 72,833,873.36
  5. Step 5: Solve for x
    x = 72,833,873.36/8,803.71
  6. Step 6: Final answer
    x = 8,273.09

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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.