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Finding the Fourth Proportional to 12,645.14, 18,957.99 and 6,067.67

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Solution

The fourth proportional to 12,645.14, 18,957.99 and 6,067.67 is: 9,096.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,645.14 : 18,957.99 = 6,067.67 : x
  2. Step 2: Convert to fraction form
    12,645.14/18,957.99 = 6,067.67/x
  3. Step 3: Cross multiply
    12,645.14x = 18,957.99 × 6,067.67
  4. Step 4: Simplify right side
    12,645.14x = 115,030,827.18
  5. Step 5: Solve for x
    x = 115,030,827.18/12,645.14
  6. Step 6: Final answer
    x = 9,096.84

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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.