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Finding the Fourth Proportional to 6,691.14, 10,042.79 and 3,573.79

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Solution

The fourth proportional to 6,691.14, 10,042.79 and 3,573.79 is: 5,363.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691.14 : 10,042.79 = 3,573.79 : x
  2. Step 2: Convert to fraction form
    6,691.14/10,042.79 = 3,573.79/x
  3. Step 3: Cross multiply
    6,691.14x = 10,042.79 × 3,573.79
  4. Step 4: Simplify right side
    6,691.14x = 35,890,779.50
  5. Step 5: Solve for x
    x = 35,890,779.50/6,691.14
  6. Step 6: Final answer
    x = 5,363.93

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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.