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Finding the Fourth Proportional to 6,071.72, 8,379.11 and 3,383.11

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Solution

The fourth proportional to 6,071.72, 8,379.11 and 3,383.11 is: 4,668.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,071.72 : 8,379.11 = 3,383.11 : x
  2. Step 2: Convert to fraction form
    6,071.72/8,379.11 = 3,383.11/x
  3. Step 3: Cross multiply
    6,071.72x = 8,379.11 × 3,383.11
  4. Step 4: Simplify right side
    6,071.72x = 28,347,444.39
  5. Step 5: Solve for x
    x = 28,347,444.39/6,071.72
  6. Step 6: Final answer
    x = 4,668.77

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Half scale
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Double scale
Find fourth proportional to 6,072.72, 8,380.49 and 3,384.11
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.