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Finding the Fourth Proportional to 6,918.74, 10,375.93 and 2,237.88

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Solution

The fourth proportional to 6,918.74, 10,375.93 and 2,237.88 is: 3,356.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.74 : 10,375.93 = 2,237.88 : x
  2. Step 2: Convert to fraction form
    6,918.74/10,375.93 = 2,237.88/x
  3. Step 3: Cross multiply
    6,918.74x = 10,375.93 × 2,237.88
  4. Step 4: Simplify right side
    6,918.74x = 23,220,086.23
  5. Step 5: Solve for x
    x = 23,220,086.23/6,918.74
  6. Step 6: Final answer
    x = 3,356.11

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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.