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Finding the Fourth Proportional to 61,843.17, 85,338.66 and 36,350.46

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Solution

The fourth proportional to 61,843.17, 85,338.66 and 36,350.46 is: 50,160.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,843.17 : 85,338.66 = 36,350.46 : x
  2. Step 2: Convert to fraction form
    61,843.17/85,338.66 = 36,350.46/x
  3. Step 3: Cross multiply
    61,843.17x = 85,338.66 × 36,350.46
  4. Step 4: Simplify right side
    61,843.17x = 3,102,099,546.78
  5. Step 5: Solve for x
    x = 3,102,099,546.78/61,843.17
  6. Step 6: Final answer
    x = 50,160.75

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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.