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Finding the Fourth Proportional to 18,058.95, 27,046.31 and 17,560.60

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Solution

The fourth proportional to 18,058.95, 27,046.31 and 17,560.60 is: 26,299.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,058.95 : 27,046.31 = 17,560.60 : x
  2. Step 2: Convert to fraction form
    18,058.95/27,046.31 = 17,560.60/x
  3. Step 3: Cross multiply
    18,058.95x = 27,046.31 × 17,560.60
  4. Step 4: Simplify right side
    18,058.95x = 474,949,275.97
  5. Step 5: Solve for x
    x = 474,949,275.97/18,058.95
  6. Step 6: Final answer
    x = 26,299.94

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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.