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Finding the Fourth Proportional to 62,968.53, 86,896.17 and 34,674

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Solution

The fourth proportional to 62,968.53, 86,896.17 and 34,674 is: 47,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,968.53 : 86,896.17 = 34,674 : x
  2. Step 2: Convert to fraction form
    62,968.53/86,896.17 = 34,674/x
  3. Step 3: Cross multiply
    62,968.53x = 86,896.17 × 34,674
  4. Step 4: Simplify right side
    62,968.53x = 3,013,037,798.58
  5. Step 5: Solve for x
    x = 3,013,037,798.58/62,968.53
  6. Step 6: Final answer
    x = 47,849.90

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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.