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Finding the Fourth Proportional to 18,296.37, 27,446.39 and 4,969.58

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Solution

The fourth proportional to 18,296.37, 27,446.39 and 4,969.58 is: 7,454.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.37 : 27,446.39 = 4,969.58 : x
  2. Step 2: Convert to fraction form
    18,296.37/27,446.39 = 4,969.58/x
  3. Step 3: Cross multiply
    18,296.37x = 27,446.39 × 4,969.58
  4. Step 4: Simplify right side
    18,296.37x = 136,396,868.74
  5. Step 5: Solve for x
    x = 136,396,868.74/18,296.37
  6. Step 6: Final answer
    x = 7,454.86

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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.