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Finding the Fourth Proportional to 22,599.89, 33,900 and 9,279.35

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Solution

The fourth proportional to 22,599.89, 33,900 and 9,279.35 is: 13,919.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,599.89 : 33,900 = 9,279.35 : x
  2. Step 2: Convert to fraction form
    22,599.89/33,900 = 9,279.35/x
  3. Step 3: Cross multiply
    22,599.89x = 33,900 × 9,279.35
  4. Step 4: Simplify right side
    22,599.89x = 314,569,965
  5. Step 5: Solve for x
    x = 314,569,965/22,599.89
  6. Step 6: Final answer
    x = 13,919.09

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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.