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Finding the Fourth Proportional to 6,918.61, 10,375.47 and 2,534.89

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Solution

The fourth proportional to 6,918.61, 10,375.47 and 2,534.89 is: 3,801.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.61 : 10,375.47 = 2,534.89 : x
  2. Step 2: Convert to fraction form
    6,918.61/10,375.47 = 2,534.89/x
  3. Step 3: Cross multiply
    6,918.61x = 10,375.47 × 2,534.89
  4. Step 4: Simplify right side
    6,918.61x = 26,300,675.15
  5. Step 5: Solve for x
    x = 26,300,675.15/6,918.61
  6. Step 6: Final answer
    x = 3,801.44

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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.