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Finding the Fourth Proportional to 18,144.64, 27,227.49 and 7,058.98

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Solution

The fourth proportional to 18,144.64, 27,227.49 and 7,058.98 is: 10,592.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.64 : 27,227.49 = 7,058.98 : x
  2. Step 2: Convert to fraction form
    18,144.64/27,227.49 = 7,058.98/x
  3. Step 3: Cross multiply
    18,144.64x = 27,227.49 × 7,058.98
  4. Step 4: Simplify right side
    18,144.64x = 192,198,307.36
  5. Step 5: Solve for x
    x = 192,198,307.36/18,144.64
  6. Step 6: Final answer
    x = 10,592.57

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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.