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Finding the Fourth Proportional to 7,308.52, 10,968.91 and 3,800.68

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Solution

The fourth proportional to 7,308.52, 10,968.91 and 3,800.68 is: 5,704.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.52 : 10,968.91 = 3,800.68 : x
  2. Step 2: Convert to fraction form
    7,308.52/10,968.91 = 3,800.68/x
  3. Step 3: Cross multiply
    7,308.52x = 10,968.91 × 3,800.68
  4. Step 4: Simplify right side
    7,308.52x = 41,689,316.86
  5. Step 5: Solve for x
    x = 41,689,316.86/7,308.52
  6. Step 6: Final answer
    x = 5,704.21

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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.