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Finding the Fourth Proportional to 62,889.44, 86,792.64 and 34,600.28

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Solution

The fourth proportional to 62,889.44, 86,792.64 and 34,600.28 is: 47,751.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,889.44 : 86,792.64 = 34,600.28 : x
  2. Step 2: Convert to fraction form
    62,889.44/86,792.64 = 34,600.28/x
  3. Step 3: Cross multiply
    62,889.44x = 86,792.64 × 34,600.28
  4. Step 4: Simplify right side
    62,889.44x = 3,003,049,645.94
  5. Step 5: Solve for x
    x = 3,003,049,645.94/62,889.44
  6. Step 6: Final answer
    x = 47,751.25

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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.