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Finding the Fourth Proportional to 61,113.68, 84,335.36 and 33,889.61

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Solution

The fourth proportional to 61,113.68, 84,335.36 and 33,889.61 is: 46,766.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,113.68 : 84,335.36 = 33,889.61 : x
  2. Step 2: Convert to fraction form
    61,113.68/84,335.36 = 33,889.61/x
  3. Step 3: Cross multiply
    61,113.68x = 84,335.36 × 33,889.61
  4. Step 4: Simplify right side
    61,113.68x = 2,858,092,755.17
  5. Step 5: Solve for x
    x = 2,858,092,755.17/61,113.68
  6. Step 6: Final answer
    x = 46,766.83

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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.