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Finding the Fourth Proportional to 61,651.31, 85,078.62 and 34,793.73

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Solution

The fourth proportional to 61,651.31, 85,078.62 and 34,793.73 is: 48,015.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,651.31 : 85,078.62 = 34,793.73 : x
  2. Step 2: Convert to fraction form
    61,651.31/85,078.62 = 34,793.73/x
  3. Step 3: Cross multiply
    61,651.31x = 85,078.62 × 34,793.73
  4. Step 4: Simplify right side
    61,651.31x = 2,960,202,533.05
  5. Step 5: Solve for x
    x = 2,960,202,533.05/61,651.31
  6. Step 6: Final answer
    x = 48,015.25

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1.5x scale

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.