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Finding the Fourth Proportional to 5,578.02, 8,367.02 and 1,682.42

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Solution

The fourth proportional to 5,578.02, 8,367.02 and 1,682.42 is: 2,523.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.02 : 8,367.02 = 1,682.42 : x
  2. Step 2: Convert to fraction form
    5,578.02/8,367.02 = 1,682.42/x
  3. Step 3: Cross multiply
    5,578.02x = 8,367.02 × 1,682.42
  4. Step 4: Simplify right side
    5,578.02x = 14,076,841.79
  5. Step 5: Solve for x
    x = 14,076,841.79/5,578.02
  6. Step 6: Final answer
    x = 2,523.63

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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.