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Finding the Fourth Proportional to 22,246.34, 33,369.90 and 7,452.50

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Solution

The fourth proportional to 22,246.34, 33,369.90 and 7,452.50 is: 11,178.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,246.34 : 33,369.90 = 7,452.50 : x
  2. Step 2: Convert to fraction form
    22,246.34/33,369.90 = 7,452.50/x
  3. Step 3: Cross multiply
    22,246.34x = 33,369.90 × 7,452.50
  4. Step 4: Simplify right side
    22,246.34x = 248,689,179.75
  5. Step 5: Solve for x
    x = 248,689,179.75/22,246.34
  6. Step 6: Final answer
    x = 11,178.88

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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.