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Finding the Fourth Proportional to 5,179.66, 7,732.57 and 4,997.41

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Solution

The fourth proportional to 5,179.66, 7,732.57 and 4,997.41 is: 7,460.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.66 : 7,732.57 = 4,997.41 : x
  2. Step 2: Convert to fraction form
    5,179.66/7,732.57 = 4,997.41/x
  3. Step 3: Cross multiply
    5,179.66x = 7,732.57 × 4,997.41
  4. Step 4: Simplify right side
    5,179.66x = 38,642,797.66
  5. Step 5: Solve for x
    x = 38,642,797.66/5,179.66
  6. Step 6: Final answer
    x = 7,460.49

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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.