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Finding the Fourth Proportional to 18,484.74, 27,729.90 and 6,797.07

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Solution

The fourth proportional to 18,484.74, 27,729.90 and 6,797.07 is: 10,196.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,484.74 : 27,729.90 = 6,797.07 : x
  2. Step 2: Convert to fraction form
    18,484.74/27,729.90 = 6,797.07/x
  3. Step 3: Cross multiply
    18,484.74x = 27,729.90 × 6,797.07
  4. Step 4: Simplify right side
    18,484.74x = 188,482,071.39
  5. Step 5: Solve for x
    x = 188,482,071.39/18,484.74
  6. Step 6: Final answer
    x = 10,196.63

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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.