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Finding the Fourth Proportional to 22,391.48, 33,579.41 and 7,395.39

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Solution

The fourth proportional to 22,391.48, 33,579.41 and 7,395.39 is: 11,090.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,391.48 : 33,579.41 = 7,395.39 : x
  2. Step 2: Convert to fraction form
    22,391.48/33,579.41 = 7,395.39/x
  3. Step 3: Cross multiply
    22,391.48x = 33,579.41 × 7,395.39
  4. Step 4: Simplify right side
    22,391.48x = 248,332,795.94
  5. Step 5: Solve for x
    x = 248,332,795.94/22,391.48
  6. Step 6: Final answer
    x = 11,090.51

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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.