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Finding the Fourth Proportional to 61,245.62, 84,523.14 and 34,024.90

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Solution

The fourth proportional to 61,245.62, 84,523.14 and 34,024.90 is: 46,956.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,245.62 : 84,523.14 = 34,024.90 : x
  2. Step 2: Convert to fraction form
    61,245.62/84,523.14 = 34,024.90/x
  3. Step 3: Cross multiply
    61,245.62x = 84,523.14 × 34,024.90
  4. Step 4: Simplify right side
    61,245.62x = 2,875,891,174.88
  5. Step 5: Solve for x
    x = 2,875,891,174.88/61,245.62
  6. Step 6: Final answer
    x = 46,956.68

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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.