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Finding the Fourth Proportional to 6,636.38, 9,168.26 and 4,954.86

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Solution

The fourth proportional to 6,636.38, 9,168.26 and 4,954.86 is: 6,845.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.38 : 9,168.26 = 4,954.86 : x
  2. Step 2: Convert to fraction form
    6,636.38/9,168.26 = 4,954.86/x
  3. Step 3: Cross multiply
    6,636.38x = 9,168.26 × 4,954.86
  4. Step 4: Simplify right side
    6,636.38x = 45,427,419.97
  5. Step 5: Solve for x
    x = 45,427,419.97/6,636.38
  6. Step 6: Final answer
    x = 6,845.22

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1.5x scale

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.