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Finding the Fourth Proportional to 61,926.80, 85,466.28 and 36,776.32

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Solution

The fourth proportional to 61,926.80, 85,466.28 and 36,776.32 is: 50,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,926.80 : 85,466.28 = 36,776.32 : x
  2. Step 2: Convert to fraction form
    61,926.80/85,466.28 = 36,776.32/x
  3. Step 3: Cross multiply
    61,926.80x = 85,466.28 × 36,776.32
  4. Step 4: Simplify right side
    61,926.80x = 3,143,135,262.49
  5. Step 5: Solve for x
    x = 3,143,135,262.49/61,926.80
  6. Step 6: Final answer
    x = 50,755.65

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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.