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Finding the Fourth Proportional to 18,575.31, 27,861.98 and 6,093.69

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Solution

The fourth proportional to 18,575.31, 27,861.98 and 6,093.69 is: 9,140.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575.31 : 27,861.98 = 6,093.69 : x
  2. Step 2: Convert to fraction form
    18,575.31/27,861.98 = 6,093.69/x
  3. Step 3: Cross multiply
    18,575.31x = 27,861.98 × 6,093.69
  4. Step 4: Simplify right side
    18,575.31x = 169,782,268.91
  5. Step 5: Solve for x
    x = 169,782,268.91/18,575.31
  6. Step 6: Final answer
    x = 9,140.21

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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.