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Finding the Fourth Proportional to 61,388.62, 84,723.79 and 34,532.26

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Solution

The fourth proportional to 61,388.62, 84,723.79 and 34,532.26 is: 47,658.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,388.62 : 84,723.79 = 34,532.26 : x
  2. Step 2: Convert to fraction form
    61,388.62/84,723.79 = 34,532.26/x
  3. Step 3: Cross multiply
    61,388.62x = 84,723.79 × 34,532.26
  4. Step 4: Simplify right side
    61,388.62x = 2,925,703,944.47
  5. Step 5: Solve for x
    x = 2,925,703,944.47/61,388.62
  6. Step 6: Final answer
    x = 47,658.73

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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.