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Finding the Fourth Proportional to 22,231.93, 33,349.64 and 7,440.89

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Solution

The fourth proportional to 22,231.93, 33,349.64 and 7,440.89 is: 11,161.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,231.93 : 33,349.64 = 7,440.89 : x
  2. Step 2: Convert to fraction form
    22,231.93/33,349.64 = 7,440.89/x
  3. Step 3: Cross multiply
    22,231.93x = 33,349.64 × 7,440.89
  4. Step 4: Simplify right side
    22,231.93x = 248,151,002.78
  5. Step 5: Solve for x
    x = 248,151,002.78/22,231.93
  6. Step 6: Final answer
    x = 11,161.92

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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.