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Finding the Fourth Proportional to 60,716.89, 91,060.63 and 31,119.49

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Solution

The fourth proportional to 60,716.89, 91,060.63 and 31,119.49 is: 46,671.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,716.89 : 91,060.63 = 31,119.49 : x
  2. Step 2: Convert to fraction form
    60,716.89/91,060.63 = 31,119.49/x
  3. Step 3: Cross multiply
    60,716.89x = 91,060.63 × 31,119.49
  4. Step 4: Simplify right side
    60,716.89x = 2,833,760,364.68
  5. Step 5: Solve for x
    x = 2,833,760,364.68/60,716.89
  6. Step 6: Final answer
    x = 46,671.70

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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.