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Finding the Fourth Proportional to 62,932.64, 86,847.63 and 34,638.98

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Solution

The fourth proportional to 62,932.64, 86,847.63 and 34,638.98 is: 47,802.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,932.64 : 86,847.63 = 34,638.98 : x
  2. Step 2: Convert to fraction form
    62,932.64/86,847.63 = 34,638.98/x
  3. Step 3: Cross multiply
    62,932.64x = 86,847.63 × 34,638.98
  4. Step 4: Simplify right side
    62,932.64x = 3,008,313,318.62
  5. Step 5: Solve for x
    x = 3,008,313,318.62/62,932.64
  6. Step 6: Final answer
    x = 47,802.12

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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.