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Finding the Fourth Proportional to 18,299.56, 27,449.40 and 4,448.56

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Solution

The fourth proportional to 18,299.56, 27,449.40 and 4,448.56 is: 6,672.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299.56 : 27,449.40 = 4,448.56 : x
  2. Step 2: Convert to fraction form
    18,299.56/27,449.40 = 4,448.56/x
  3. Step 3: Cross multiply
    18,299.56x = 27,449.40 × 4,448.56
  4. Step 4: Simplify right side
    18,299.56x = 122,110,302.86
  5. Step 5: Solve for x
    x = 122,110,302.86/18,299.56
  6. Step 6: Final answer
    x = 6,672.85

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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.