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Finding the Fourth Proportional to 18,018.14, 27,028.65 and 6,333.98

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Solution

The fourth proportional to 18,018.14, 27,028.65 and 6,333.98 is: 9,501.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018.14 : 27,028.65 = 6,333.98 : x
  2. Step 2: Convert to fraction form
    18,018.14/27,028.65 = 6,333.98/x
  3. Step 3: Cross multiply
    18,018.14x = 27,028.65 × 6,333.98
  4. Step 4: Simplify right side
    18,018.14x = 171,198,928.53
  5. Step 5: Solve for x
    x = 171,198,928.53/18,018.14
  6. Step 6: Final answer
    x = 9,501.48

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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.