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Finding the Fourth Proportional to 62,871.41, 86,760.80 and 34,577.09

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Solution

The fourth proportional to 62,871.41, 86,760.80 and 34,577.09 is: 47,715.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,871.41 : 86,760.80 = 34,577.09 : x
  2. Step 2: Convert to fraction form
    62,871.41/86,760.80 = 34,577.09/x
  3. Step 3: Cross multiply
    62,871.41x = 86,760.80 × 34,577.09
  4. Step 4: Simplify right side
    62,871.41x = 2,999,935,383.38
  5. Step 5: Solve for x
    x = 2,999,935,383.38/62,871.41
  6. Step 6: Final answer
    x = 47,715.42

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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.