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Finding the Fourth Proportional to 18,067.66, 27,101.69 and 6,372.68

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Solution

The fourth proportional to 18,067.66, 27,101.69 and 6,372.68 is: 9,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,067.66 : 27,101.69 = 6,372.68 : x
  2. Step 2: Convert to fraction form
    18,067.66/27,101.69 = 6,372.68/x
  3. Step 3: Cross multiply
    18,067.66x = 27,101.69 × 6,372.68
  4. Step 4: Simplify right side
    18,067.66x = 172,710,254.35
  5. Step 5: Solve for x
    x = 172,710,254.35/18,067.66
  6. Step 6: Final answer
    x = 9,559.08

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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.