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Finding the Fourth Proportional to 69,669.66, 104,471.57 and 26,995.08

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Solution

The fourth proportional to 69,669.66, 104,471.57 and 26,995.08 is: 40,479.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,669.66 : 104,471.57 = 26,995.08 : x
  2. Step 2: Convert to fraction form
    69,669.66/104,471.57 = 26,995.08/x
  3. Step 3: Cross multiply
    69,669.66x = 104,471.57 × 26,995.08
  4. Step 4: Simplify right side
    69,669.66x = 2,820,218,389.88
  5. Step 5: Solve for x
    x = 2,820,218,389.88/69,669.66
  6. Step 6: Final answer
    x = 40,479.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.