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Finding the Fourth Proportional to 15,299.21, 22,945.02 and 4,205.36

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Solution

The fourth proportional to 15,299.21, 22,945.02 and 4,205.36 is: 6,306.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,299.21 : 22,945.02 = 4,205.36 : x
  2. Step 2: Convert to fraction form
    15,299.21/22,945.02 = 4,205.36/x
  3. Step 3: Cross multiply
    15,299.21x = 22,945.02 × 4,205.36
  4. Step 4: Simplify right side
    15,299.21x = 96,491,954.58
  5. Step 5: Solve for x
    x = 96,491,954.58/15,299.21
  6. Step 6: Final answer
    x = 6,306.99

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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.