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Finding the Fourth Proportional to 12,014.17, 18,022.99 and 3,694.89

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Solution

The fourth proportional to 12,014.17, 18,022.99 and 3,694.89 is: 5,542.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014.17 : 18,022.99 = 3,694.89 : x
  2. Step 2: Convert to fraction form
    12,014.17/18,022.99 = 3,694.89/x
  3. Step 3: Cross multiply
    12,014.17x = 18,022.99 × 3,694.89
  4. Step 4: Simplify right side
    12,014.17x = 66,592,980.11
  5. Step 5: Solve for x
    x = 66,592,980.11/12,014.17
  6. Step 6: Final answer
    x = 5,542.87

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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.