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Finding the Fourth Proportional to 62,973.96, 86,902.38 and 34,679.88

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Solution

The fourth proportional to 62,973.96, 86,902.38 and 34,679.88 is: 47,857.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,973.96 : 86,902.38 = 34,679.88 : x
  2. Step 2: Convert to fraction form
    62,973.96/86,902.38 = 34,679.88/x
  3. Step 3: Cross multiply
    62,973.96x = 86,902.38 × 34,679.88
  4. Step 4: Simplify right side
    62,973.96x = 3,013,764,110.11
  5. Step 5: Solve for x
    x = 3,013,764,110.11/62,973.96
  6. Step 6: Final answer
    x = 47,857.31

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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.