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Finding the Fourth Proportional to 18,646.20, 27,974.12 and 6,959.52

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Solution

The fourth proportional to 18,646.20, 27,974.12 and 6,959.52 is: 10,441.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,646.20 : 27,974.12 = 6,959.52 : x
  2. Step 2: Convert to fraction form
    18,646.20/27,974.12 = 6,959.52/x
  3. Step 3: Cross multiply
    18,646.20x = 27,974.12 × 6,959.52
  4. Step 4: Simplify right side
    18,646.20x = 194,686,447.62
  5. Step 5: Solve for x
    x = 194,686,447.62/18,646.20
  6. Step 6: Final answer
    x = 10,441.08

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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.