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Finding the Fourth Proportional to 69,793.73, 96,313.61 and 39,579.11

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Solution

The fourth proportional to 69,793.73, 96,313.61 and 39,579.11 is: 54,618.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,793.73 : 96,313.61 = 39,579.11 : x
  2. Step 2: Convert to fraction form
    69,793.73/96,313.61 = 39,579.11/x
  3. Step 3: Cross multiply
    69,793.73x = 96,313.61 × 39,579.11
  4. Step 4: Simplify right side
    69,793.73x = 3,812,006,582.07
  5. Step 5: Solve for x
    x = 3,812,006,582.07/69,793.73
  6. Step 6: Final answer
    x = 54,618.18

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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.