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Finding the Fourth Proportional to 58,608.53, 80,879.97 and 31,750.95

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Solution

The fourth proportional to 58,608.53, 80,879.97 and 31,750.95 is: 43,816.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,608.53 : 80,879.97 = 31,750.95 : x
  2. Step 2: Convert to fraction form
    58,608.53/80,879.97 = 31,750.95/x
  3. Step 3: Cross multiply
    58,608.53x = 80,879.97 × 31,750.95
  4. Step 4: Simplify right side
    58,608.53x = 2,568,015,883.47
  5. Step 5: Solve for x
    x = 2,568,015,883.47/58,608.53
  6. Step 6: Final answer
    x = 43,816.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.