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Finding the Fourth Proportional to 69,063.60, 103,555.71 and 33,512.70

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Solution

The fourth proportional to 69,063.60, 103,555.71 and 33,512.70 is: 50,249.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,063.60 : 103,555.71 = 33,512.70 : x
  2. Step 2: Convert to fraction form
    69,063.60/103,555.71 = 33,512.70/x
  3. Step 3: Cross multiply
    69,063.60x = 103,555.71 × 33,512.70
  4. Step 4: Simplify right side
    69,063.60x = 3,470,431,442.52
  5. Step 5: Solve for x
    x = 3,470,431,442.52/69,063.60
  6. Step 6: Final answer
    x = 50,249.79

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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.