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Finding the Fourth Proportional to 70,027.58, 104,992.14 and 25,648.56

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Solution

The fourth proportional to 70,027.58, 104,992.14 and 25,648.56 is: 38,454.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,027.58 : 104,992.14 = 25,648.56 : x
  2. Step 2: Convert to fraction form
    70,027.58/104,992.14 = 25,648.56/x
  3. Step 3: Cross multiply
    70,027.58x = 104,992.14 × 25,648.56
  4. Step 4: Simplify right side
    70,027.58x = 2,692,897,202.32
  5. Step 5: Solve for x
    x = 2,692,897,202.32/70,027.58
  6. Step 6: Final answer
    x = 38,454.81

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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.