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Finding the Fourth Proportional to 69,471.09, 95,870.19 and 37,639.99

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Solution

The fourth proportional to 69,471.09, 95,870.19 and 37,639.99 is: 51,943.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,471.09 : 95,870.19 = 37,639.99 : x
  2. Step 2: Convert to fraction form
    69,471.09/95,870.19 = 37,639.99/x
  3. Step 3: Cross multiply
    69,471.09x = 95,870.19 × 37,639.99
  4. Step 4: Simplify right side
    69,471.09x = 3,608,552,992.90
  5. Step 5: Solve for x
    x = 3,608,552,992.90/69,471.09
  6. Step 6: Final answer
    x = 51,943.23

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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.