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Finding the Fourth Proportional to 5,068.60, 6,992.23 and 3,179.23

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Solution

The fourth proportional to 5,068.60, 6,992.23 and 3,179.23 is: 4,385.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,068.60 : 6,992.23 = 3,179.23 : x
  2. Step 2: Convert to fraction form
    5,068.60/6,992.23 = 3,179.23/x
  3. Step 3: Cross multiply
    5,068.60x = 6,992.23 × 3,179.23
  4. Step 4: Simplify right side
    5,068.60x = 22,229,915.33
  5. Step 5: Solve for x
    x = 22,229,915.33/5,068.60
  6. Step 6: Final answer
    x = 4,385.81

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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.