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Finding the Fourth Proportional to 3,469.92, 4,808.56 and 3,404.28

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Solution

The fourth proportional to 3,469.92, 4,808.56 and 3,404.28 is: 4,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.92 : 4,808.56 = 3,404.28 : x
  2. Step 2: Convert to fraction form
    3,469.92/4,808.56 = 3,404.28/x
  3. Step 3: Cross multiply
    3,469.92x = 4,808.56 × 3,404.28
  4. Step 4: Simplify right side
    3,469.92x = 16,369,684.64
  5. Step 5: Solve for x
    x = 16,369,684.64/3,469.92
  6. Step 6: Final answer
    x = 4,717.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.