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Finding the Fourth Proportional to 6,179.94, 9,214.79 and 5,493.06

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Solution

The fourth proportional to 6,179.94, 9,214.79 and 5,493.06 is: 8,190.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,179.94 : 9,214.79 = 5,493.06 : x
  2. Step 2: Convert to fraction form
    6,179.94/9,214.79 = 5,493.06/x
  3. Step 3: Cross multiply
    6,179.94x = 9,214.79 × 5,493.06
  4. Step 4: Simplify right side
    6,179.94x = 50,617,366.89
  5. Step 5: Solve for x
    x = 50,617,366.89/6,179.94
  6. Step 6: Final answer
    x = 8,190.59

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.