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Finding the Fourth Proportional to 18,402.73, 27,568.46 and 11,013.01

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Solution

The fourth proportional to 18,402.73, 27,568.46 and 11,013.01 is: 16,498.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402.73 : 27,568.46 = 11,013.01 : x
  2. Step 2: Convert to fraction form
    18,402.73/27,568.46 = 11,013.01/x
  3. Step 3: Cross multiply
    18,402.73x = 27,568.46 × 11,013.01
  4. Step 4: Simplify right side
    18,402.73x = 303,611,670.60
  5. Step 5: Solve for x
    x = 303,611,670.60/18,402.73
  6. Step 6: Final answer
    x = 16,498.19

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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.