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Finding the Fourth Proportional to 61,794.99, 85,281.46 and 34,937.75

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Solution

The fourth proportional to 61,794.99, 85,281.46 and 34,937.75 is: 48,216.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,794.99 : 85,281.46 = 34,937.75 : x
  2. Step 2: Convert to fraction form
    61,794.99/85,281.46 = 34,937.75/x
  3. Step 3: Cross multiply
    61,794.99x = 85,281.46 × 34,937.75
  4. Step 4: Simplify right side
    61,794.99x = 2,979,542,454.97
  5. Step 5: Solve for x
    x = 2,979,542,454.97/61,794.99
  6. Step 6: Final answer
    x = 48,216.57

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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.