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Finding the Fourth Proportional to 69,132.73, 103,714.22 and 22,390.33

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Solution

The fourth proportional to 69,132.73, 103,714.22 and 22,390.33 is: 33,590.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,132.73 : 103,714.22 = 22,390.33 : x
  2. Step 2: Convert to fraction form
    69,132.73/103,714.22 = 22,390.33/x
  3. Step 3: Cross multiply
    69,132.73x = 103,714.22 × 22,390.33
  4. Step 4: Simplify right side
    69,132.73x = 2,322,195,499.54
  5. Step 5: Solve for x
    x = 2,322,195,499.54/69,132.73
  6. Step 6: Final answer
    x = 33,590.39

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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.