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Finding the Fourth Proportional to 62,172.92, 85,798.50 and 33,878.54

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Solution

The fourth proportional to 62,172.92, 85,798.50 and 33,878.54 is: 46,752.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,172.92 : 85,798.50 = 33,878.54 : x
  2. Step 2: Convert to fraction form
    62,172.92/85,798.50 = 33,878.54/x
  3. Step 3: Cross multiply
    62,172.92x = 85,798.50 × 33,878.54
  4. Step 4: Simplify right side
    62,172.92x = 2,906,727,914.19
  5. Step 5: Solve for x
    x = 2,906,727,914.19/62,172.92
  6. Step 6: Final answer
    x = 46,752.31

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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.