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Finding the Fourth Proportional to 62,696.32, 86,520.93 and 35,839.42

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Solution

The fourth proportional to 62,696.32, 86,520.93 and 35,839.42 is: 49,458.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,696.32 : 86,520.93 = 35,839.42 : x
  2. Step 2: Convert to fraction form
    62,696.32/86,520.93 = 35,839.42/x
  3. Step 3: Cross multiply
    62,696.32x = 86,520.93 × 35,839.42
  4. Step 4: Simplify right side
    62,696.32x = 3,100,859,732.76
  5. Step 5: Solve for x
    x = 3,100,859,732.76/62,696.32
  6. Step 6: Final answer
    x = 49,458.40

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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.