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Finding the Fourth Proportional to 6,726.62, 10,089.89 and 1,728.99

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Solution

The fourth proportional to 6,726.62, 10,089.89 and 1,728.99 is: 2,593.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,726.62 : 10,089.89 = 1,728.99 : x
  2. Step 2: Convert to fraction form
    6,726.62/10,089.89 = 1,728.99/x
  3. Step 3: Cross multiply
    6,726.62x = 10,089.89 × 1,728.99
  4. Step 4: Simplify right side
    6,726.62x = 17,445,310.27
  5. Step 5: Solve for x
    x = 17,445,310.27/6,726.62
  6. Step 6: Final answer
    x = 2,593.48

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Half scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.