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Finding the Fourth Proportional to 7,659.93, 11,489.96 and 4,195.29

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Solution

The fourth proportional to 7,659.93, 11,489.96 and 4,195.29 is: 6,292.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659.93 : 11,489.96 = 4,195.29 : x
  2. Step 2: Convert to fraction form
    7,659.93/11,489.96 = 4,195.29/x
  3. Step 3: Cross multiply
    7,659.93x = 11,489.96 × 4,195.29
  4. Step 4: Simplify right side
    7,659.93x = 48,203,693.31
  5. Step 5: Solve for x
    x = 48,203,693.31/7,659.93
  6. Step 6: Final answer
    x = 6,292.97

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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.