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Finding the Fourth Proportional to 62,696.94, 86,521.79 and 35,840.04

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Solution

The fourth proportional to 62,696.94, 86,521.79 and 35,840.04 is: 49,459.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,696.94 : 86,521.79 = 35,840.04 : x
  2. Step 2: Convert to fraction form
    62,696.94/86,521.79 = 35,840.04/x
  3. Step 3: Cross multiply
    62,696.94x = 86,521.79 × 35,840.04
  4. Step 4: Simplify right side
    62,696.94x = 3,100,944,414.47
  5. Step 5: Solve for x
    x = 3,100,944,414.47/62,696.94
  6. Step 6: Final answer
    x = 49,459.26

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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.