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Finding the Fourth Proportional to 62,578.98, 86,359.10 and 33,898.97

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Solution

The fourth proportional to 62,578.98, 86,359.10 and 33,898.97 is: 46,780.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,578.98 : 86,359.10 = 33,898.97 : x
  2. Step 2: Convert to fraction form
    62,578.98/86,359.10 = 33,898.97/x
  3. Step 3: Cross multiply
    62,578.98x = 86,359.10 × 33,898.97
  4. Step 4: Simplify right side
    62,578.98x = 2,927,484,586.53
  5. Step 5: Solve for x
    x = 2,927,484,586.53/62,578.98
  6. Step 6: Final answer
    x = 46,780.64

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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.