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Finding the Fourth Proportional to 62,992.76, 86,929.26 and 34,312.33

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Solution

The fourth proportional to 62,992.76, 86,929.26 and 34,312.33 is: 47,350.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,992.76 : 86,929.26 = 34,312.33 : x
  2. Step 2: Convert to fraction form
    62,992.76/86,929.26 = 34,312.33/x
  3. Step 3: Cross multiply
    62,992.76x = 86,929.26 × 34,312.33
  4. Step 4: Simplify right side
    62,992.76x = 2,982,745,455.78
  5. Step 5: Solve for x
    x = 2,982,745,455.78/62,992.76
  6. Step 6: Final answer
    x = 47,350.61

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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.