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Finding the Fourth Proportional to 62,579.88, 86,359.83 and 33,898.92

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Solution

The fourth proportional to 62,579.88, 86,359.83 and 33,898.92 is: 46,780.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,579.88 : 86,359.83 = 33,898.92 : x
  2. Step 2: Convert to fraction form
    62,579.88/86,359.83 = 33,898.92/x
  3. Step 3: Cross multiply
    62,579.88x = 86,359.83 × 33,898.92
  4. Step 4: Simplify right side
    62,579.88x = 2,927,504,968.38
  5. Step 5: Solve for x
    x = 2,927,504,968.38/62,579.88
  6. Step 6: Final answer
    x = 46,780.29

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1.5x scale

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.