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Finding the Fourth Proportional to 62,679.78, 86,497.58 and 33,999.37

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Solution

The fourth proportional to 62,679.78, 86,497.58 and 33,999.37 is: 46,918.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,679.78 : 86,497.58 = 33,999.37 : x
  2. Step 2: Convert to fraction form
    62,679.78/86,497.58 = 33,999.37/x
  3. Step 3: Cross multiply
    62,679.78x = 86,497.58 × 33,999.37
  4. Step 4: Simplify right side
    62,679.78x = 2,940,863,386.37
  5. Step 5: Solve for x
    x = 2,940,863,386.37/62,679.78
  6. Step 6: Final answer
    x = 46,918.85

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1.5x scale

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.