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Finding the Fourth Proportional to 5,719.32, 8,578.95 and 3,757.32

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Solution

The fourth proportional to 5,719.32, 8,578.95 and 3,757.32 is: 5,635.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.32 : 8,578.95 = 3,757.32 : x
  2. Step 2: Convert to fraction form
    5,719.32/8,578.95 = 3,757.32/x
  3. Step 3: Cross multiply
    5,719.32x = 8,578.95 × 3,757.32
  4. Step 4: Simplify right side
    5,719.32x = 32,233,860.41
  5. Step 5: Solve for x
    x = 32,233,860.41/5,719.32
  6. Step 6: Final answer
    x = 5,635.96

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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.