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Finding the Fourth Proportional to 7,069.74, 10,600.97 and 3,739.79

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Solution

The fourth proportional to 7,069.74, 10,600.97 and 3,739.79 is: 5,607.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.74 : 10,600.97 = 3,739.79 : x
  2. Step 2: Convert to fraction form
    7,069.74/10,600.97 = 3,739.79/x
  3. Step 3: Cross multiply
    7,069.74x = 10,600.97 × 3,739.79
  4. Step 4: Simplify right side
    7,069.74x = 39,645,329.89
  5. Step 5: Solve for x
    x = 39,645,329.89/7,069.74
  6. Step 6: Final answer
    x = 5,607.75

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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.