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Finding the Fourth Proportional to 8,080.76, 11,149.04 and 4,895.24

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Solution

The fourth proportional to 8,080.76, 11,149.04 and 4,895.24 is: 6,753.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.76 : 11,149.04 = 4,895.24 : x
  2. Step 2: Convert to fraction form
    8,080.76/11,149.04 = 4,895.24/x
  3. Step 3: Cross multiply
    8,080.76x = 11,149.04 × 4,895.24
  4. Step 4: Simplify right side
    8,080.76x = 54,577,183.06
  5. Step 5: Solve for x
    x = 54,577,183.06/8,080.76
  6. Step 6: Final answer
    x = 6,753.96

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.