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Finding the Fourth Proportional to 6,936.48, 10,404.72 and 2,319.48

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Solution

The fourth proportional to 6,936.48, 10,404.72 and 2,319.48 is: 3,479.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.48 : 10,404.72 = 2,319.48 : x
  2. Step 2: Convert to fraction form
    6,936.48/10,404.72 = 2,319.48/x
  3. Step 3: Cross multiply
    6,936.48x = 10,404.72 × 2,319.48
  4. Step 4: Simplify right side
    6,936.48x = 24,133,539.95
  5. Step 5: Solve for x
    x = 24,133,539.95/6,936.48
  6. Step 6: Final answer
    x = 3,479.22

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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.