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Finding the Fourth Proportional to 6,884.18, 9,500.20 and 3,740.38

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Solution

The fourth proportional to 6,884.18, 9,500.20 and 3,740.38 is: 5,161.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,884.18 : 9,500.20 = 3,740.38 : x
  2. Step 2: Convert to fraction form
    6,884.18/9,500.20 = 3,740.38/x
  3. Step 3: Cross multiply
    6,884.18x = 9,500.20 × 3,740.38
  4. Step 4: Simplify right side
    6,884.18x = 35,534,358.08
  5. Step 5: Solve for x
    x = 35,534,358.08/6,884.18
  6. Step 6: Final answer
    x = 5,161.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.