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Finding the Fourth Proportional to 62,716.53, 86,548.86 and 35,859.60

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Solution

The fourth proportional to 62,716.53, 86,548.86 and 35,859.60 is: 49,486.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,716.53 : 86,548.86 = 35,859.60 : x
  2. Step 2: Convert to fraction form
    62,716.53/86,548.86 = 35,859.60/x
  3. Step 3: Cross multiply
    62,716.53x = 86,548.86 × 35,859.60
  4. Step 4: Simplify right side
    62,716.53x = 3,103,607,500.06
  5. Step 5: Solve for x
    x = 3,103,607,500.06/62,716.53
  6. Step 6: Final answer
    x = 49,486.28

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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.