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Finding the Fourth Proportional to 3,775.04, 5,662.72 and 2,313.28

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Solution

The fourth proportional to 3,775.04, 5,662.72 and 2,313.28 is: 3,470.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.04 : 5,662.72 = 2,313.28 : x
  2. Step 2: Convert to fraction form
    3,775.04/5,662.72 = 2,313.28/x
  3. Step 3: Cross multiply
    3,775.04x = 5,662.72 × 2,313.28
  4. Step 4: Simplify right side
    3,775.04x = 13,099,456.92
  5. Step 5: Solve for x
    x = 13,099,456.92/3,775.04
  6. Step 6: Final answer
    x = 3,470.02

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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.