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Finding the Fourth Proportional to 62,289.76, 85,959.92 and 33,996

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Solution

The fourth proportional to 62,289.76, 85,959.92 and 33,996 is: 46,914.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,289.76 : 85,959.92 = 33,996 : x
  2. Step 2: Convert to fraction form
    62,289.76/85,959.92 = 33,996/x
  3. Step 3: Cross multiply
    62,289.76x = 85,959.92 × 33,996
  4. Step 4: Simplify right side
    62,289.76x = 2,922,293,440.32
  5. Step 5: Solve for x
    x = 2,922,293,440.32/62,289.76
  6. Step 6: Final answer
    x = 46,914.51

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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.