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Finding the Fourth Proportional to 61,812.87, 92,723.91 and 26,270.21

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Solution

The fourth proportional to 61,812.87, 92,723.91 and 26,270.21 is: 39,407.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,812.87 : 92,723.91 = 26,270.21 : x
  2. Step 2: Convert to fraction form
    61,812.87/92,723.91 = 26,270.21/x
  3. Step 3: Cross multiply
    61,812.87x = 92,723.91 × 26,270.21
  4. Step 4: Simplify right side
    61,812.87x = 2,435,876,587.72
  5. Step 5: Solve for x
    x = 2,435,876,587.72/61,812.87
  6. Step 6: Final answer
    x = 39,407.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.