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Finding the Fourth Proportional to 18,047.70, 27,058.68 and 6,945.03

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Solution

The fourth proportional to 18,047.70, 27,058.68 and 6,945.03 is: 10,412.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,047.70 : 27,058.68 = 6,945.03 : x
  2. Step 2: Convert to fraction form
    18,047.70/27,058.68 = 6,945.03/x
  3. Step 3: Cross multiply
    18,047.70x = 27,058.68 × 6,945.03
  4. Step 4: Simplify right side
    18,047.70x = 187,923,344.36
  5. Step 5: Solve for x
    x = 187,923,344.36/18,047.70
  6. Step 6: Final answer
    x = 10,412.59

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1.5x scale

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.