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Finding the Fourth Proportional to 62,748.63, 86,587.79 and 35,886.78

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Solution

The fourth proportional to 62,748.63, 86,587.79 and 35,886.78 is: 49,520.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,748.63 : 86,587.79 = 35,886.78 : x
  2. Step 2: Convert to fraction form
    62,748.63/86,587.79 = 35,886.78/x
  3. Step 3: Cross multiply
    62,748.63x = 86,587.79 × 35,886.78
  4. Step 4: Simplify right side
    62,748.63x = 3,107,356,790.98
  5. Step 5: Solve for x
    x = 3,107,356,790.98/62,748.63
  6. Step 6: Final answer
    x = 49,520.71

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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.