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Finding the Fourth Proportional to 18,614.12, 27,917.04 and 5,462.96

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Solution

The fourth proportional to 18,614.12, 27,917.04 and 5,462.96 is: 8,193.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,614.12 : 27,917.04 = 5,462.96 : x
  2. Step 2: Convert to fraction form
    18,614.12/27,917.04 = 5,462.96/x
  3. Step 3: Cross multiply
    18,614.12x = 27,917.04 × 5,462.96
  4. Step 4: Simplify right side
    18,614.12x = 152,509,672.84
  5. Step 5: Solve for x
    x = 152,509,672.84/18,614.12
  6. Step 6: Final answer
    x = 8,193.22

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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.