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Finding the Fourth Proportional to 62,748.82, 86,549.64 and 53,251.96

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Solution

The fourth proportional to 62,748.82, 86,549.64 and 53,251.96 is: 73,450.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,748.82 : 86,549.64 = 53,251.96 : x
  2. Step 2: Convert to fraction form
    62,748.82/86,549.64 = 53,251.96/x
  3. Step 3: Cross multiply
    62,748.82x = 86,549.64 × 53,251.96
  4. Step 4: Simplify right side
    62,748.82x = 4,608,937,967.29
  5. Step 5: Solve for x
    x = 4,608,937,967.29/62,748.82
  6. Step 6: Final answer
    x = 73,450.59

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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.