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Finding the Fourth Proportional to 6,156.56, 9,239.01 and 2,869.98

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Solution

The fourth proportional to 6,156.56, 9,239.01 and 2,869.98 is: 4,306.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,156.56 : 9,239.01 = 2,869.98 : x
  2. Step 2: Convert to fraction form
    6,156.56/9,239.01 = 2,869.98/x
  3. Step 3: Cross multiply
    6,156.56x = 9,239.01 × 2,869.98
  4. Step 4: Simplify right side
    6,156.56x = 26,515,796.62
  5. Step 5: Solve for x
    x = 26,515,796.62/6,156.56
  6. Step 6: Final answer
    x = 4,306.92

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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.