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Finding the Fourth Proportional to 7,304.92, 10,968.36 and 4,188.48

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Solution

The fourth proportional to 7,304.92, 10,968.36 and 4,188.48 is: 6,289.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,304.92 : 10,968.36 = 4,188.48 : x
  2. Step 2: Convert to fraction form
    7,304.92/10,968.36 = 4,188.48/x
  3. Step 3: Cross multiply
    7,304.92x = 10,968.36 × 4,188.48
  4. Step 4: Simplify right side
    7,304.92x = 45,940,756.49
  5. Step 5: Solve for x
    x = 45,940,756.49/7,304.92
  6. Step 6: Final answer
    x = 6,289.02

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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.