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Finding the Fourth Proportional to 62,836.56, 86,714.46 and 35,987.97

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Solution

The fourth proportional to 62,836.56, 86,714.46 and 35,987.97 is: 49,663.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,836.56 : 86,714.46 = 35,987.97 : x
  2. Step 2: Convert to fraction form
    62,836.56/86,714.46 = 35,987.97/x
  3. Step 3: Cross multiply
    62,836.56x = 86,714.46 × 35,987.97
  4. Step 4: Simplify right side
    62,836.56x = 3,120,677,385.05
  5. Step 5: Solve for x
    x = 3,120,677,385.05/62,836.56
  6. Step 6: Final answer
    x = 49,663.40

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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.