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Finding the Fourth Proportional to 18,058.66, 27,069.52 and 6,208.88

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Solution

The fourth proportional to 18,058.66, 27,069.52 and 6,208.88 is: 9,306.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,058.66 : 27,069.52 = 6,208.88 : x
  2. Step 2: Convert to fraction form
    18,058.66/27,069.52 = 6,208.88/x
  3. Step 3: Cross multiply
    18,058.66x = 27,069.52 × 6,208.88
  4. Step 4: Simplify right side
    18,058.66x = 168,071,401.34
  5. Step 5: Solve for x
    x = 168,071,401.34/18,058.66
  6. Step 6: Final answer
    x = 9,306.97

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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.