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Finding the Fourth Proportional to 62,221.88, 85,866 and 33,927.50

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Solution

The fourth proportional to 62,221.88, 85,866 and 33,927.50 is: 46,819.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,221.88 : 85,866 = 33,927.50 : x
  2. Step 2: Convert to fraction form
    62,221.88/85,866 = 33,927.50/x
  3. Step 3: Cross multiply
    62,221.88x = 85,866 × 33,927.50
  4. Step 4: Simplify right side
    62,221.88x = 2,913,218,715
  5. Step 5: Solve for x
    x = 2,913,218,715/62,221.88
  6. Step 6: Final answer
    x = 46,819.84

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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.