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Finding the Fourth Proportional to 6,469.19, 8,846.64 and 6,469.19

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Solution

The fourth proportional to 6,469.19, 8,846.64 and 6,469.19 is: 8,846.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469.19 : 8,846.64 = 6,469.19 : x
  2. Step 2: Convert to fraction form
    6,469.19/8,846.64 = 6,469.19/x
  3. Step 3: Cross multiply
    6,469.19x = 8,846.64 × 6,469.19
  4. Step 4: Simplify right side
    6,469.19x = 57,230,627.04
  5. Step 5: Solve for x
    x = 57,230,627.04/6,469.19
  6. Step 6: Final answer
    x = 8,846.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.