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Finding the Fourth Proportional to 18,008.73, 27,064.13 and 10,616.67

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Solution

The fourth proportional to 18,008.73, 27,064.13 and 10,616.67 is: 15,955.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,008.73 : 27,064.13 = 10,616.67 : x
  2. Step 2: Convert to fraction form
    18,008.73/27,064.13 = 10,616.67/x
  3. Step 3: Cross multiply
    18,008.73x = 27,064.13 × 10,616.67
  4. Step 4: Simplify right side
    18,008.73x = 287,330,883.96
  5. Step 5: Solve for x
    x = 287,330,883.96/18,008.73
  6. Step 6: Final answer
    x = 15,955.09

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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.