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Finding the Fourth Proportional to 62,706.81, 86,536.86 and 35,851.83

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Solution

The fourth proportional to 62,706.81, 86,536.86 and 35,851.83 is: 49,476.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,706.81 : 86,536.86 = 35,851.83 : x
  2. Step 2: Convert to fraction form
    62,706.81/86,536.86 = 35,851.83/x
  3. Step 3: Cross multiply
    62,706.81x = 86,536.86 × 35,851.83
  4. Step 4: Simplify right side
    62,706.81x = 3,102,504,793.45
  5. Step 5: Solve for x
    x = 3,102,504,793.45/62,706.81
  6. Step 6: Final answer
    x = 49,476.36

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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.