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Finding the Fourth Proportional to 61,490.91, 92,027.87 and 37,813.33

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Solution

The fourth proportional to 61,490.91, 92,027.87 and 37,813.33 is: 56,591.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,490.91 : 92,027.87 = 37,813.33 : x
  2. Step 2: Convert to fraction form
    61,490.91/92,027.87 = 37,813.33/x
  3. Step 3: Cross multiply
    61,490.91x = 92,027.87 × 37,813.33
  4. Step 4: Simplify right side
    61,490.91x = 3,479,880,217.51
  5. Step 5: Solve for x
    x = 3,479,880,217.51/61,490.91
  6. Step 6: Final answer
    x = 56,591.78

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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.