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Finding the Fourth Proportional to 61,786.82, 85,266.16 and 33,492.44

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Solution

The fourth proportional to 61,786.82, 85,266.16 and 33,492.44 is: 46,219.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,786.82 : 85,266.16 = 33,492.44 : x
  2. Step 2: Convert to fraction form
    61,786.82/85,266.16 = 33,492.44/x
  3. Step 3: Cross multiply
    61,786.82x = 85,266.16 × 33,492.44
  4. Step 4: Simplify right side
    61,786.82x = 2,855,771,747.83
  5. Step 5: Solve for x
    x = 2,855,771,747.83/61,786.82
  6. Step 6: Final answer
    x = 46,219.76

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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.