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Finding the Fourth Proportional to 4,515.60, 6,762.60 and 3,651.60

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Solution

The fourth proportional to 4,515.60, 6,762.60 and 3,651.60 is: 5,468.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.60 : 6,762.60 = 3,651.60 : x
  2. Step 2: Convert to fraction form
    4,515.60/6,762.60 = 3,651.60/x
  3. Step 3: Cross multiply
    4,515.60x = 6,762.60 × 3,651.60
  4. Step 4: Simplify right side
    4,515.60x = 24,694,310.16
  5. Step 5: Solve for x
    x = 24,694,310.16/4,515.60
  6. Step 6: Final answer
    x = 5,468.67

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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.