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Finding the Fourth Proportional to 61,613.56, 85,048.50 and 36,463

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Solution

The fourth proportional to 61,613.56, 85,048.50 and 36,463 is: 50,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,613.56 : 85,048.50 = 36,463 : x
  2. Step 2: Convert to fraction form
    61,613.56/85,048.50 = 36,463/x
  3. Step 3: Cross multiply
    61,613.56x = 85,048.50 × 36,463
  4. Step 4: Simplify right side
    61,613.56x = 3,101,123,455.50
  5. Step 5: Solve for x
    x = 3,101,123,455.50/61,613.56
  6. Step 6: Final answer
    x = 50,331.83

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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.