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Finding the Fourth Proportional to 62,146.94, 85,759.80 and 35,285.91

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Solution

The fourth proportional to 62,146.94, 85,759.80 and 35,285.91 is: 48,692.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,146.94 : 85,759.80 = 35,285.91 : x
  2. Step 2: Convert to fraction form
    62,146.94/85,759.80 = 35,285.91/x
  3. Step 3: Cross multiply
    62,146.94x = 85,759.80 × 35,285.91
  4. Step 4: Simplify right side
    62,146.94x = 3,026,112,584.42
  5. Step 5: Solve for x
    x = 3,026,112,584.42/62,146.94
  6. Step 6: Final answer
    x = 48,692.87

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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.