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Finding the Fourth Proportional to 62,845.75, 86,727.75 and 34,552.06

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Solution

The fourth proportional to 62,845.75, 86,727.75 and 34,552.06 is: 47,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,845.75 : 86,727.75 = 34,552.06 : x
  2. Step 2: Convert to fraction form
    62,845.75/86,727.75 = 34,552.06/x
  3. Step 3: Cross multiply
    62,845.75x = 86,727.75 × 34,552.06
  4. Step 4: Simplify right side
    62,845.75x = 2,996,622,421.67
  5. Step 5: Solve for x
    x = 2,996,622,421.67/62,845.75
  6. Step 6: Final answer
    x = 47,682.18

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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.