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Finding the Fourth Proportional to 8,843.40, 13,265.10 and 3,646.44

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Solution

The fourth proportional to 8,843.40, 13,265.10 and 3,646.44 is: 5,469.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,843.40 : 13,265.10 = 3,646.44 : x
  2. Step 2: Convert to fraction form
    8,843.40/13,265.10 = 3,646.44/x
  3. Step 3: Cross multiply
    8,843.40x = 13,265.10 × 3,646.44
  4. Step 4: Simplify right side
    8,843.40x = 48,370,391.24
  5. Step 5: Solve for x
    x = 48,370,391.24/8,843.40
  6. Step 6: Final answer
    x = 5,469.66

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Half scale
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Double scale
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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.