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Finding the Fourth Proportional to 69,099.92, 103,653.12 and 22,356.44

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Solution

The fourth proportional to 69,099.92, 103,653.12 and 22,356.44 is: 33,535.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,099.92 : 103,653.12 = 22,356.44 : x
  2. Step 2: Convert to fraction form
    69,099.92/103,653.12 = 22,356.44/x
  3. Step 3: Cross multiply
    69,099.92x = 103,653.12 × 22,356.44
  4. Step 4: Simplify right side
    69,099.92x = 2,317,314,758.09
  5. Step 5: Solve for x
    x = 2,317,314,758.09/69,099.92
  6. Step 6: Final answer
    x = 33,535.71

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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.