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Finding the Fourth Proportional to 6,071.76, 8,379 and 3,383

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Solution

The fourth proportional to 6,071.76, 8,379 and 3,383 is: 4,668.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,071.76 : 8,379 = 3,383 : x
  2. Step 2: Convert to fraction form
    6,071.76/8,379 = 3,383/x
  3. Step 3: Cross multiply
    6,071.76x = 8,379 × 3,383
  4. Step 4: Simplify right side
    6,071.76x = 28,346,157
  5. Step 5: Solve for x
    x = 28,346,157/6,071.76
  6. Step 6: Final answer
    x = 4,668.52

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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.