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Finding the Fourth Proportional to 69,271.82, 95,604.13 and 39,066.58

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Solution

The fourth proportional to 69,271.82, 95,604.13 and 39,066.58 is: 53,916.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,271.82 : 95,604.13 = 39,066.58 : x
  2. Step 2: Convert to fraction form
    69,271.82/95,604.13 = 39,066.58/x
  3. Step 3: Cross multiply
    69,271.82x = 95,604.13 × 39,066.58
  4. Step 4: Simplify right side
    69,271.82x = 3,734,926,392.98
  5. Step 5: Solve for x
    x = 3,734,926,392.98/69,271.82
  6. Step 6: Final answer
    x = 53,916.97

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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.