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Finding the Fourth Proportional to 22,362.72, 33,548.93 and 6,781.56

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Solution

The fourth proportional to 22,362.72, 33,548.93 and 6,781.56 is: 10,173.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,362.72 : 33,548.93 = 6,781.56 : x
  2. Step 2: Convert to fraction form
    22,362.72/33,548.93 = 6,781.56/x
  3. Step 3: Cross multiply
    22,362.72x = 33,548.93 × 6,781.56
  4. Step 4: Simplify right side
    22,362.72x = 227,513,930.94
  5. Step 5: Solve for x
    x = 227,513,930.94/22,362.72
  6. Step 6: Final answer
    x = 10,173.81

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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.