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Finding the Fourth Proportional to 18,114.46, 27,166.42 and 7,018.68

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Solution

The fourth proportional to 18,114.46, 27,166.42 and 7,018.68 is: 10,525.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.46 : 27,166.42 = 7,018.68 : x
  2. Step 2: Convert to fraction form
    18,114.46/27,166.42 = 7,018.68/x
  3. Step 3: Cross multiply
    18,114.46x = 27,166.42 × 7,018.68
  4. Step 4: Simplify right side
    18,114.46x = 190,672,408.73
  5. Step 5: Solve for x
    x = 190,672,408.73/18,114.46
  6. Step 6: Final answer
    x = 10,525.98

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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.