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Finding the Fourth Proportional to 61,796.70, 85,293.54 and 36,306

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Solution

The fourth proportional to 61,796.70, 85,293.54 and 36,306 is: 50,110.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,796.70 : 85,293.54 = 36,306 : x
  2. Step 2: Convert to fraction form
    61,796.70/85,293.54 = 36,306/x
  3. Step 3: Cross multiply
    61,796.70x = 85,293.54 × 36,306
  4. Step 4: Simplify right side
    61,796.70x = 3,096,667,263.24
  5. Step 5: Solve for x
    x = 3,096,667,263.24/61,796.70
  6. Step 6: Final answer
    x = 50,110.56

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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.