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Finding the Fourth Proportional to 18,624.21, 27,935.70 and 8,094.23

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Solution

The fourth proportional to 18,624.21, 27,935.70 and 8,094.23 is: 12,141.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,624.21 : 27,935.70 = 8,094.23 : x
  2. Step 2: Convert to fraction form
    18,624.21/27,935.70 = 8,094.23/x
  3. Step 3: Cross multiply
    18,624.21x = 27,935.70 × 8,094.23
  4. Step 4: Simplify right side
    18,624.21x = 226,117,940.54
  5. Step 5: Solve for x
    x = 226,117,940.54/18,624.21
  6. Step 6: Final answer
    x = 12,141.08

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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.