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Finding the Fourth Proportional to 62,568.34, 86,343.63 and 33,887.53

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Solution

The fourth proportional to 62,568.34, 86,343.63 and 33,887.53 is: 46,764.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,568.34 : 86,343.63 = 33,887.53 : x
  2. Step 2: Convert to fraction form
    62,568.34/86,343.63 = 33,887.53/x
  3. Step 3: Cross multiply
    62,568.34x = 86,343.63 × 33,887.53
  4. Step 4: Simplify right side
    62,568.34x = 2,925,972,351.93
  5. Step 5: Solve for x
    x = 2,925,972,351.93/62,568.34
  6. Step 6: Final answer
    x = 46,764.42

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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.