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Finding the Fourth Proportional to 62,996.96, 86,896.72 and 37,486.08

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Solution

The fourth proportional to 62,996.96, 86,896.72 and 37,486.08 is: 51,707.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,996.96 : 86,896.72 = 37,486.08 : x
  2. Step 2: Convert to fraction form
    62,996.96/86,896.72 = 37,486.08/x
  3. Step 3: Cross multiply
    62,996.96x = 86,896.72 × 37,486.08
  4. Step 4: Simplify right side
    62,996.96x = 3,257,417,397.66
  5. Step 5: Solve for x
    x = 3,257,417,397.66/62,996.96
  6. Step 6: Final answer
    x = 51,707.53

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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.