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Finding the Fourth Proportional to 18,604.93, 27,904.96 and 8,214.25

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Solution

The fourth proportional to 18,604.93, 27,904.96 and 8,214.25 is: 12,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604.93 : 27,904.96 = 8,214.25 : x
  2. Step 2: Convert to fraction form
    18,604.93/27,904.96 = 8,214.25/x
  3. Step 3: Cross multiply
    18,604.93x = 27,904.96 × 8,214.25
  4. Step 4: Simplify right side
    18,604.93x = 229,218,317.68
  5. Step 5: Solve for x
    x = 229,218,317.68/18,604.93
  6. Step 6: Final answer
    x = 12,320.30

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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.