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Finding the Fourth Proportional to 29,252, 40,374.24 and 20,190.08

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Solution

The fourth proportional to 29,252, 40,374.24 and 20,190.08 is: 27,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,252 : 40,374.24 = 20,190.08 : x
  2. Step 2: Convert to fraction form
    29,252/40,374.24 = 20,190.08/x
  3. Step 3: Cross multiply
    29,252x = 40,374.24 × 20,190.08
  4. Step 4: Simplify right side
    29,252x = 815,159,135.54
  5. Step 5: Solve for x
    x = 815,159,135.54/29,252
  6. Step 6: Final answer
    x = 27,866.78

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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.