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Finding the Fourth Proportional to 62,796.37, 94,159.09 and 20,665.09

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Solution

The fourth proportional to 62,796.37, 94,159.09 and 20,665.09 is: 30,985.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,796.37 : 94,159.09 = 20,665.09 : x
  2. Step 2: Convert to fraction form
    62,796.37/94,159.09 = 20,665.09/x
  3. Step 3: Cross multiply
    62,796.37x = 94,159.09 × 20,665.09
  4. Step 4: Simplify right side
    62,796.37x = 1,945,806,069.17
  5. Step 5: Solve for x
    x = 1,945,806,069.17/62,796.37
  6. Step 6: Final answer
    x = 30,985.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.