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Finding the Fourth Proportional to 18,211.95, 27,317.96 and 5,733.09

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Solution

The fourth proportional to 18,211.95, 27,317.96 and 5,733.09 is: 8,599.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211.95 : 27,317.96 = 5,733.09 : x
  2. Step 2: Convert to fraction form
    18,211.95/27,317.96 = 5,733.09/x
  3. Step 3: Cross multiply
    18,211.95x = 27,317.96 × 5,733.09
  4. Step 4: Simplify right side
    18,211.95x = 156,616,323.30
  5. Step 5: Solve for x
    x = 156,616,323.30/18,211.95
  6. Step 6: Final answer
    x = 8,599.65

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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.