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Finding the Fourth Proportional to 6,863.96, 9,474.68 and 4,175.22

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Solution

The fourth proportional to 6,863.96, 9,474.68 and 4,175.22 is: 5,763.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,863.96 : 9,474.68 = 4,175.22 : x
  2. Step 2: Convert to fraction form
    6,863.96/9,474.68 = 4,175.22/x
  3. Step 3: Cross multiply
    6,863.96x = 9,474.68 × 4,175.22
  4. Step 4: Simplify right side
    6,863.96x = 39,558,873.43
  5. Step 5: Solve for x
    x = 39,558,873.43/6,863.96
  6. Step 6: Final answer
    x = 5,763.27

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Half scale
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Double scale
Find fourth proportional to 6,864.96, 9,476.06 and 4,176.22
Similar ratio
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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.