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Finding the Fourth Proportional to 22,343.62, 33,509.90 and 7,552.21

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Solution

The fourth proportional to 22,343.62, 33,509.90 and 7,552.21 is: 11,326.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,343.62 : 33,509.90 = 7,552.21 : x
  2. Step 2: Convert to fraction form
    22,343.62/33,509.90 = 7,552.21/x
  3. Step 3: Cross multiply
    22,343.62x = 33,509.90 × 7,552.21
  4. Step 4: Simplify right side
    22,343.62x = 253,073,764.12
  5. Step 5: Solve for x
    x = 253,073,764.12/22,343.62
  6. Step 6: Final answer
    x = 11,326.44

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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.