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Finding the Fourth Proportional to 4,751.39, 7,128.53 and 3,367.41

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Solution

The fourth proportional to 4,751.39, 7,128.53 and 3,367.41 is: 5,052.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.39 : 7,128.53 = 3,367.41 : x
  2. Step 2: Convert to fraction form
    4,751.39/7,128.53 = 3,367.41/x
  3. Step 3: Cross multiply
    4,751.39x = 7,128.53 × 3,367.41
  4. Step 4: Simplify right side
    4,751.39x = 24,004,683.21
  5. Step 5: Solve for x
    x = 24,004,683.21/4,751.39
  6. Step 6: Final answer
    x = 5,052.14

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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.