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Finding the Fourth Proportional to 18,223.61, 27,325.97 and 8,354.39

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Solution

The fourth proportional to 18,223.61, 27,325.97 and 8,354.39 is: 12,527.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.61 : 27,325.97 = 8,354.39 : x
  2. Step 2: Convert to fraction form
    18,223.61/27,325.97 = 8,354.39/x
  3. Step 3: Cross multiply
    18,223.61x = 27,325.97 × 8,354.39
  4. Step 4: Simplify right side
    18,223.61x = 228,291,837.05
  5. Step 5: Solve for x
    x = 228,291,837.05/18,223.61
  6. Step 6: Final answer
    x = 12,527.25

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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.