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Finding the Fourth Proportional to 29,203.81, 40,269.23 and 19,755.97

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Solution

The fourth proportional to 29,203.81, 40,269.23 and 19,755.97 is: 27,241.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,203.81 : 40,269.23 = 19,755.97 : x
  2. Step 2: Convert to fraction form
    29,203.81/40,269.23 = 19,755.97/x
  3. Step 3: Cross multiply
    29,203.81x = 40,269.23 × 19,755.97
  4. Step 4: Simplify right side
    29,203.81x = 795,557,601.02
  5. Step 5: Solve for x
    x = 795,557,601.02/29,203.81
  6. Step 6: Final answer
    x = 27,241.57

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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.