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Finding the Fourth Proportional to 3,578.62, 5,367.94 and 1,526.62

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Solution

The fourth proportional to 3,578.62, 5,367.94 and 1,526.62 is: 2,289.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.62 : 5,367.94 = 1,526.62 : x
  2. Step 2: Convert to fraction form
    3,578.62/5,367.94 = 1,526.62/x
  3. Step 3: Cross multiply
    3,578.62x = 5,367.94 × 1,526.62
  4. Step 4: Simplify right side
    3,578.62x = 8,194,804.56
  5. Step 5: Solve for x
    x = 8,194,804.56/3,578.62
  6. Step 6: Final answer
    x = 2,289.93

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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.