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Finding the Fourth Proportional to 61,810.95, 85,299.15 and 33,516.63

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Solution

The fourth proportional to 61,810.95, 85,299.15 and 33,516.63 is: 46,252.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,810.95 : 85,299.15 = 33,516.63 : x
  2. Step 2: Convert to fraction form
    61,810.95/85,299.15 = 33,516.63/x
  3. Step 3: Cross multiply
    61,810.95x = 85,299.15 × 33,516.63
  4. Step 4: Simplify right side
    61,810.95x = 2,858,940,049.86
  5. Step 5: Solve for x
    x = 2,858,940,049.86/61,810.95
  6. Step 6: Final answer
    x = 46,252.97

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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.