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Finding the Fourth Proportional to 4,884.76, 7,313.10 and 3,719.44

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Solution

The fourth proportional to 4,884.76, 7,313.10 and 3,719.44 is: 5,568.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,884.76 : 7,313.10 = 3,719.44 : x
  2. Step 2: Convert to fraction form
    4,884.76/7,313.10 = 3,719.44/x
  3. Step 3: Cross multiply
    4,884.76x = 7,313.10 × 3,719.44
  4. Step 4: Simplify right side
    4,884.76x = 27,200,636.66
  5. Step 5: Solve for x
    x = 27,200,636.66/4,884.76
  6. Step 6: Final answer
    x = 5,568.47

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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.