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Finding the Fourth Proportional to 7,751.62, 11,620.94 and 3,594.59

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Solution

The fourth proportional to 7,751.62, 11,620.94 and 3,594.59 is: 5,388.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.62 : 11,620.94 = 3,594.59 : x
  2. Step 2: Convert to fraction form
    7,751.62/11,620.94 = 3,594.59/x
  3. Step 3: Cross multiply
    7,751.62x = 11,620.94 × 3,594.59
  4. Step 4: Simplify right side
    7,751.62x = 41,772,496.74
  5. Step 5: Solve for x
    x = 41,772,496.74/7,751.62
  6. Step 6: Final answer
    x = 5,388.88

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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.