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Finding the Fourth Proportional to 3,776.36, 5,664.53 and 1,468.40

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Solution

The fourth proportional to 3,776.36, 5,664.53 and 1,468.40 is: 2,202.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.36 : 5,664.53 = 1,468.40 : x
  2. Step 2: Convert to fraction form
    3,776.36/5,664.53 = 1,468.40/x
  3. Step 3: Cross multiply
    3,776.36x = 5,664.53 × 1,468.40
  4. Step 4: Simplify right side
    3,776.36x = 8,317,771.20
  5. Step 5: Solve for x
    x = 8,317,771.20/3,776.36
  6. Step 6: Final answer
    x = 2,202.59

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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.