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Finding the Fourth Proportional to 18,214.88, 27,323.22 and 8,349.68

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Solution

The fourth proportional to 18,214.88, 27,323.22 and 8,349.68 is: 12,524.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214.88 : 27,323.22 = 8,349.68 : x
  2. Step 2: Convert to fraction form
    18,214.88/27,323.22 = 8,349.68/x
  3. Step 3: Cross multiply
    18,214.88x = 27,323.22 × 8,349.68
  4. Step 4: Simplify right side
    18,214.88x = 228,140,243.19
  5. Step 5: Solve for x
    x = 228,140,243.19/18,214.88
  6. Step 6: Final answer
    x = 12,524.94

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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.