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Finding the Fourth Proportional to 6,774.51, 10,161.51 and 2,391.86

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Solution

The fourth proportional to 6,774.51, 10,161.51 and 2,391.86 is: 3,587.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,774.51 : 10,161.51 = 2,391.86 : x
  2. Step 2: Convert to fraction form
    6,774.51/10,161.51 = 2,391.86/x
  3. Step 3: Cross multiply
    6,774.51x = 10,161.51 × 2,391.86
  4. Step 4: Simplify right side
    6,774.51x = 24,304,858.50
  5. Step 5: Solve for x
    x = 24,304,858.50/6,774.51
  6. Step 6: Final answer
    x = 3,587.69

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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.