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Finding the Fourth Proportional to 22,159.78, 33,232.44 and 7,364.72

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Solution

The fourth proportional to 22,159.78, 33,232.44 and 7,364.72 is: 11,044.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,159.78 : 33,232.44 = 7,364.72 : x
  2. Step 2: Convert to fraction form
    22,159.78/33,232.44 = 7,364.72/x
  3. Step 3: Cross multiply
    22,159.78x = 33,232.44 × 7,364.72
  4. Step 4: Simplify right side
    22,159.78x = 244,747,578.69
  5. Step 5: Solve for x
    x = 244,747,578.69/22,159.78
  6. Step 6: Final answer
    x = 11,044.68

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1.5x scale

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.