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Finding the Fourth Proportional to 22,521.78, 33,786.38 and 9,375.08

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Solution

The fourth proportional to 22,521.78, 33,786.38 and 9,375.08 is: 14,064.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,521.78 : 33,786.38 = 9,375.08 : x
  2. Step 2: Convert to fraction form
    22,521.78/33,786.38 = 9,375.08/x
  3. Step 3: Cross multiply
    22,521.78x = 33,786.38 × 9,375.08
  4. Step 4: Simplify right side
    22,521.78x = 316,749,869.92
  5. Step 5: Solve for x
    x = 316,749,869.92/22,521.78
  6. Step 6: Final answer
    x = 14,064.16

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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.