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Finding the Fourth Proportional to 61,208.43, 91,738.83 and 31,610.13

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Solution

The fourth proportional to 61,208.43, 91,738.83 and 31,610.13 is: 47,377.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,208.43 : 91,738.83 = 31,610.13 : x
  2. Step 2: Convert to fraction form
    61,208.43/91,738.83 = 31,610.13/x
  3. Step 3: Cross multiply
    61,208.43x = 91,738.83 × 31,610.13
  4. Step 4: Simplify right side
    61,208.43x = 2,899,876,342.35
  5. Step 5: Solve for x
    x = 2,899,876,342.35/61,208.43
  6. Step 6: Final answer
    x = 47,377.07

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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.