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Finding the Fourth Proportional to 62,696.18, 86,520.71 and 35,839.26

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Solution

The fourth proportional to 62,696.18, 86,520.71 and 35,839.26 is: 49,458.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,696.18 : 86,520.71 = 35,839.26 : x
  2. Step 2: Convert to fraction form
    62,696.18/86,520.71 = 35,839.26/x
  3. Step 3: Cross multiply
    62,696.18x = 86,520.71 × 35,839.26
  4. Step 4: Simplify right side
    62,696.18x = 3,100,838,041.88
  5. Step 5: Solve for x
    x = 3,100,838,041.88/62,696.18
  6. Step 6: Final answer
    x = 49,458.17

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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.