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Finding the Fourth Proportional to 85,093.68, 127,659.48 and 25,933.92

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Solution

The fourth proportional to 85,093.68, 127,659.48 and 25,933.92 is: 38,906.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,093.68 : 127,659.48 = 25,933.92 : x
  2. Step 2: Convert to fraction form
    85,093.68/127,659.48 = 25,933.92/x
  3. Step 3: Cross multiply
    85,093.68x = 127,659.48 × 25,933.92
  4. Step 4: Simplify right side
    85,093.68x = 3,310,710,741.56
  5. Step 5: Solve for x
    x = 3,310,710,741.56/85,093.68
  6. Step 6: Final answer
    x = 38,906.66

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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.