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Finding the Fourth Proportional to 22,484.94, 33,719.49 and 7,487.99

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Solution

The fourth proportional to 22,484.94, 33,719.49 and 7,487.99 is: 11,229.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,484.94 : 33,719.49 = 7,487.99 : x
  2. Step 2: Convert to fraction form
    22,484.94/33,719.49 = 7,487.99/x
  3. Step 3: Cross multiply
    22,484.94x = 33,719.49 × 7,487.99
  4. Step 4: Simplify right side
    22,484.94x = 252,491,203.93
  5. Step 5: Solve for x
    x = 252,491,203.93/22,484.94
  6. Step 6: Final answer
    x = 11,229.35

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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.