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Finding the Fourth Proportional to 39,993, 55,190.34 and 23,227.08

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Solution

The fourth proportional to 39,993, 55,190.34 and 23,227.08 is: 32,053.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,993 : 55,190.34 = 23,227.08 : x
  2. Step 2: Convert to fraction form
    39,993/55,190.34 = 23,227.08/x
  3. Step 3: Cross multiply
    39,993x = 55,190.34 × 23,227.08
  4. Step 4: Simplify right side
    39,993x = 1,281,910,442.41
  5. Step 5: Solve for x
    x = 1,281,910,442.41/39,993
  6. Step 6: Final answer
    x = 32,053.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.