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Finding the Fourth Proportional to 22,371.93, 33,691.07 and 19,485.09

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Solution

The fourth proportional to 22,371.93, 33,691.07 and 19,485.09 is: 29,343.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,371.93 : 33,691.07 = 19,485.09 : x
  2. Step 2: Convert to fraction form
    22,371.93/33,691.07 = 19,485.09/x
  3. Step 3: Cross multiply
    22,371.93x = 33,691.07 × 19,485.09
  4. Step 4: Simplify right side
    22,371.93x = 656,473,579.86
  5. Step 5: Solve for x
    x = 656,473,579.86/22,371.93
  6. Step 6: Final answer
    x = 29,343.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.