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Finding the Fourth Proportional to 6,469.17, 8,918.42 and 5,470.44

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Solution

The fourth proportional to 6,469.17, 8,918.42 and 5,470.44 is: 7,541.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469.17 : 8,918.42 = 5,470.44 : x
  2. Step 2: Convert to fraction form
    6,469.17/8,918.42 = 5,470.44/x
  3. Step 3: Cross multiply
    6,469.17x = 8,918.42 × 5,470.44
  4. Step 4: Simplify right side
    6,469.17x = 48,787,654.15
  5. Step 5: Solve for x
    x = 48,787,654.15/6,469.17
  6. Step 6: Final answer
    x = 7,541.56

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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.