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Finding the Fourth Proportional to 18,058.53, 27,063.12 and 10,164.81

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Solution

The fourth proportional to 18,058.53, 27,063.12 and 10,164.81 is: 15,233.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,058.53 : 27,063.12 = 10,164.81 : x
  2. Step 2: Convert to fraction form
    18,058.53/27,063.12 = 10,164.81/x
  3. Step 3: Cross multiply
    18,058.53x = 27,063.12 × 10,164.81
  4. Step 4: Simplify right side
    18,058.53x = 275,091,472.81
  5. Step 5: Solve for x
    x = 275,091,472.81/18,058.53
  6. Step 6: Final answer
    x = 15,233.33

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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.