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Finding the Fourth Proportional to 62,561.93, 86,314 and 35,685.09

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Solution

The fourth proportional to 62,561.93, 86,314 and 35,685.09 is: 49,233.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,561.93 : 86,314 = 35,685.09 : x
  2. Step 2: Convert to fraction form
    62,561.93/86,314 = 35,685.09/x
  3. Step 3: Cross multiply
    62,561.93x = 86,314 × 35,685.09
  4. Step 4: Simplify right side
    62,561.93x = 3,080,122,858.26
  5. Step 5: Solve for x
    x = 3,080,122,858.26/62,561.93
  6. Step 6: Final answer
    x = 49,233.18

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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.