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Finding the Fourth Proportional to 61,035, 84,221.21 and 35,546.94

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Solution

The fourth proportional to 61,035, 84,221.21 and 35,546.94 is: 49,050.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,035 : 84,221.21 = 35,546.94 : x
  2. Step 2: Convert to fraction form
    61,035/84,221.21 = 35,546.94/x
  3. Step 3: Cross multiply
    61,035x = 84,221.21 × 35,546.94
  4. Step 4: Simplify right side
    61,035x = 2,993,806,298.60
  5. Step 5: Solve for x
    x = 2,993,806,298.60/61,035
  6. Step 6: Final answer
    x = 49,050.65

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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.