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Finding the Fourth Proportional to 18,201.69, 27,302.60 and 5,722.74

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Solution

The fourth proportional to 18,201.69, 27,302.60 and 5,722.74 is: 8,584.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,201.69 : 27,302.60 = 5,722.74 : x
  2. Step 2: Convert to fraction form
    18,201.69/27,302.60 = 5,722.74/x
  3. Step 3: Cross multiply
    18,201.69x = 27,302.60 × 5,722.74
  4. Step 4: Simplify right side
    18,201.69x = 156,245,652.51
  5. Step 5: Solve for x
    x = 156,245,652.51/18,201.69
  6. Step 6: Final answer
    x = 8,584.13

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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.