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Finding the Fourth Proportional to 8,003.16, 12,004.74 and 4,105.08

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Solution

The fourth proportional to 8,003.16, 12,004.74 and 4,105.08 is: 6,157.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003.16 : 12,004.74 = 4,105.08 : x
  2. Step 2: Convert to fraction form
    8,003.16/12,004.74 = 4,105.08/x
  3. Step 3: Cross multiply
    8,003.16x = 12,004.74 × 4,105.08
  4. Step 4: Simplify right side
    8,003.16x = 49,280,418.08
  5. Step 5: Solve for x
    x = 49,280,418.08/8,003.16
  6. Step 6: Final answer
    x = 6,157.62

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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.