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Finding the Fourth Proportional to 62,609.73, 86,401.69 and 33,929.45

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Solution

The fourth proportional to 62,609.73, 86,401.69 and 33,929.45 is: 46,822.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,609.73 : 86,401.69 = 33,929.45 : x
  2. Step 2: Convert to fraction form
    62,609.73/86,401.69 = 33,929.45/x
  3. Step 3: Cross multiply
    62,609.73x = 86,401.69 × 33,929.45
  4. Step 4: Simplify right side
    62,609.73x = 2,931,561,627.94
  5. Step 5: Solve for x
    x = 2,931,561,627.94/62,609.73
  6. Step 6: Final answer
    x = 46,822.78

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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.