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Finding the Fourth Proportional to 8,369.46, 12,554.19 and 4,481.46

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Solution

The fourth proportional to 8,369.46, 12,554.19 and 4,481.46 is: 6,722.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.46 : 12,554.19 = 4,481.46 : x
  2. Step 2: Convert to fraction form
    8,369.46/12,554.19 = 4,481.46/x
  3. Step 3: Cross multiply
    8,369.46x = 12,554.19 × 4,481.46
  4. Step 4: Simplify right side
    8,369.46x = 56,261,100.32
  5. Step 5: Solve for x
    x = 56,261,100.32/8,369.46
  6. Step 6: Final answer
    x = 6,722.19

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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.