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Finding the Fourth Proportional to 6,751.47, 9,316.60 and 3,767.50

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Solution

The fourth proportional to 6,751.47, 9,316.60 and 3,767.50 is: 5,198.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751.47 : 9,316.60 = 3,767.50 : x
  2. Step 2: Convert to fraction form
    6,751.47/9,316.60 = 3,767.50/x
  3. Step 3: Cross multiply
    6,751.47x = 9,316.60 × 3,767.50
  4. Step 4: Simplify right side
    6,751.47x = 35,100,290.50
  5. Step 5: Solve for x
    x = 35,100,290.50/6,751.47
  6. Step 6: Final answer
    x = 5,198.91

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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.