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Finding the Fourth Proportional to 8,245.73, 12,368.60 and 3,628.73

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Solution

The fourth proportional to 8,245.73, 12,368.60 and 3,628.73 is: 5,443.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.73 : 12,368.60 = 3,628.73 : x
  2. Step 2: Convert to fraction form
    8,245.73/12,368.60 = 3,628.73/x
  3. Step 3: Cross multiply
    8,245.73x = 12,368.60 × 3,628.73
  4. Step 4: Simplify right side
    8,245.73x = 44,882,311.73
  5. Step 5: Solve for x
    x = 44,882,311.73/8,245.73
  6. Step 6: Final answer
    x = 5,443.10

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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.