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Finding the Fourth Proportional to 62,212.56, 85,851.16 and 33,917.68

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Solution

The fourth proportional to 62,212.56, 85,851.16 and 33,917.68 is: 46,805.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,212.56 : 85,851.16 = 33,917.68 : x
  2. Step 2: Convert to fraction form
    62,212.56/85,851.16 = 33,917.68/x
  3. Step 3: Cross multiply
    62,212.56x = 85,851.16 × 33,917.68
  4. Step 4: Simplify right side
    62,212.56x = 2,911,872,172.51
  5. Step 5: Solve for x
    x = 2,911,872,172.51/62,212.56
  6. Step 6: Final answer
    x = 46,805.21

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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.