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Finding the Fourth Proportional to 12,166.92, 18,250.06 and 3,401.64

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Solution

The fourth proportional to 12,166.92, 18,250.06 and 3,401.64 is: 5,102.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166.92 : 18,250.06 = 3,401.64 : x
  2. Step 2: Convert to fraction form
    12,166.92/18,250.06 = 3,401.64/x
  3. Step 3: Cross multiply
    12,166.92x = 18,250.06 × 3,401.64
  4. Step 4: Simplify right side
    12,166.92x = 62,080,134.10
  5. Step 5: Solve for x
    x = 62,080,134.10/12,166.92
  6. Step 6: Final answer
    x = 5,102.37

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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.