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Finding the Fourth Proportional to 69,481.90, 104,201.25 and 25,102.90

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Solution

The fourth proportional to 69,481.90, 104,201.25 and 25,102.90 is: 37,646.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,481.90 : 104,201.25 = 25,102.90 : x
  2. Step 2: Convert to fraction form
    69,481.90/104,201.25 = 25,102.90/x
  3. Step 3: Cross multiply
    69,481.90x = 104,201.25 × 25,102.90
  4. Step 4: Simplify right side
    69,481.90x = 2,615,753,558.63
  5. Step 5: Solve for x
    x = 2,615,753,558.63/69,481.90
  6. Step 6: Final answer
    x = 37,646.55

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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.