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Finding the Fourth Proportional to 5,578.59, 8,369.27 and 1,682.99

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Solution

The fourth proportional to 5,578.59, 8,369.27 and 1,682.99 is: 2,524.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.59 : 8,369.27 = 1,682.99 : x
  2. Step 2: Convert to fraction form
    5,578.59/8,369.27 = 1,682.99/x
  3. Step 3: Cross multiply
    5,578.59x = 8,369.27 × 1,682.99
  4. Step 4: Simplify right side
    5,578.59x = 14,085,389.30
  5. Step 5: Solve for x
    x = 14,085,389.30/5,578.59
  6. Step 6: Final answer
    x = 2,524.90

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