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Finding the Fourth Proportional to 61,469.56, 84,840.62 and 38,793.32

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Solution

The fourth proportional to 61,469.56, 84,840.62 and 38,793.32 is: 53,542.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,469.56 : 84,840.62 = 38,793.32 : x
  2. Step 2: Convert to fraction form
    61,469.56/84,840.62 = 38,793.32/x
  3. Step 3: Cross multiply
    61,469.56x = 84,840.62 × 38,793.32
  4. Step 4: Simplify right side
    61,469.56x = 3,291,249,338.79
  5. Step 5: Solve for x
    x = 3,291,249,338.79/61,469.56
  6. Step 6: Final answer
    x = 53,542.75

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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.