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Finding the Fourth Proportional to 2,516.52, 3,770.64 and 2,420.52

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Solution

The fourth proportional to 2,516.52, 3,770.64 and 2,420.52 is: 3,626.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.52 : 3,770.64 = 2,420.52 : x
  2. Step 2: Convert to fraction form
    2,516.52/3,770.64 = 2,420.52/x
  3. Step 3: Cross multiply
    2,516.52x = 3,770.64 × 2,420.52
  4. Step 4: Simplify right side
    2,516.52x = 9,126,909.53
  5. Step 5: Solve for x
    x = 9,126,909.53/2,516.52
  6. Step 6: Final answer
    x = 3,626.80

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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.