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Finding the Fourth Proportional to 8,469.77, 12,704.65 and 4,573.26

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Solution

The fourth proportional to 8,469.77, 12,704.65 and 4,573.26 is: 6,859.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,469.77 : 12,704.65 = 4,573.26 : x
  2. Step 2: Convert to fraction form
    8,469.77/12,704.65 = 4,573.26/x
  3. Step 3: Cross multiply
    8,469.77x = 12,704.65 × 4,573.26
  4. Step 4: Simplify right side
    8,469.77x = 58,101,656.23
  5. Step 5: Solve for x
    x = 58,101,656.23/8,469.77
  6. Step 6: Final answer
    x = 6,859.89

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Similar ratio
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1.5x scale

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.