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Finding the Fourth Proportional to 60,707.39, 91,039.22 and 25,649.78

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Solution

The fourth proportional to 60,707.39, 91,039.22 and 25,649.78 is: 38,465.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,707.39 : 91,039.22 = 25,649.78 : x
  2. Step 2: Convert to fraction form
    60,707.39/91,039.22 = 25,649.78/x
  3. Step 3: Cross multiply
    60,707.39x = 91,039.22 × 25,649.78
  4. Step 4: Simplify right side
    60,707.39x = 2,335,135,380.93
  5. Step 5: Solve for x
    x = 2,335,135,380.93/60,707.39
  6. Step 6: Final answer
    x = 38,465.43

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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.