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Finding the Fourth Proportional to 18,496.49, 27,755.06 and 7,404.01

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Solution

The fourth proportional to 18,496.49, 27,755.06 and 7,404.01 is: 11,110.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,496.49 : 27,755.06 = 7,404.01 : x
  2. Step 2: Convert to fraction form
    18,496.49/27,755.06 = 7,404.01/x
  3. Step 3: Cross multiply
    18,496.49x = 27,755.06 × 7,404.01
  4. Step 4: Simplify right side
    18,496.49x = 205,498,635.38
  5. Step 5: Solve for x
    x = 205,498,635.38/18,496.49
  6. Step 6: Final answer
    x = 11,110.15

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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.