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Finding the Fourth Proportional to 22,404.29, 33,621.92 and 9,256.77

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Solution

The fourth proportional to 22,404.29, 33,621.92 and 9,256.77 is: 13,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,404.29 : 33,621.92 = 9,256.77 : x
  2. Step 2: Convert to fraction form
    22,404.29/33,621.92 = 9,256.77/x
  3. Step 3: Cross multiply
    22,404.29x = 33,621.92 × 9,256.77
  4. Step 4: Simplify right side
    22,404.29x = 311,230,334.11
  5. Step 5: Solve for x
    x = 311,230,334.11/22,404.29
  6. Step 6: Final answer
    x = 13,891.55

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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.