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Finding the Fourth Proportional to 22,404.53, 33,621.90 and 9,256.85

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Solution

The fourth proportional to 22,404.53, 33,621.90 and 9,256.85 is: 13,891.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,404.53 : 33,621.90 = 9,256.85 : x
  2. Step 2: Convert to fraction form
    22,404.53/33,621.90 = 9,256.85/x
  3. Step 3: Cross multiply
    22,404.53x = 33,621.90 × 9,256.85
  4. Step 4: Simplify right side
    22,404.53x = 311,232,885.02
  5. Step 5: Solve for x
    x = 311,232,885.02/22,404.53
  6. Step 6: Final answer
    x = 13,891.52

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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.