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Finding the Fourth Proportional to 7,080.62, 10,609.11 and 4,997.18

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Solution

The fourth proportional to 7,080.62, 10,609.11 and 4,997.18 is: 7,487.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.62 : 10,609.11 = 4,997.18 : x
  2. Step 2: Convert to fraction form
    7,080.62/10,609.11 = 4,997.18/x
  3. Step 3: Cross multiply
    7,080.62x = 10,609.11 × 4,997.18
  4. Step 4: Simplify right side
    7,080.62x = 53,015,632.31
  5. Step 5: Solve for x
    x = 53,015,632.31/7,080.62
  6. Step 6: Final answer
    x = 7,487.43

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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.