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Finding the Fourth Proportional to 61,768.49, 92,776.73 and 36,857.16

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Solution

The fourth proportional to 61,768.49, 92,776.73 and 36,857.16 is: 55,359.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,768.49 : 92,776.73 = 36,857.16 : x
  2. Step 2: Convert to fraction form
    61,768.49/92,776.73 = 36,857.16/x
  3. Step 3: Cross multiply
    61,768.49x = 92,776.73 × 36,857.16
  4. Step 4: Simplify right side
    61,768.49x = 3,419,486,597.60
  5. Step 5: Solve for x
    x = 3,419,486,597.60/61,768.49
  6. Step 6: Final answer
    x = 55,359.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.