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Finding the Fourth Proportional to 4,741.11, 7,115.54 and 3,355.79

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Solution

The fourth proportional to 4,741.11, 7,115.54 and 3,355.79 is: 5,036.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,741.11 : 7,115.54 = 3,355.79 : x
  2. Step 2: Convert to fraction form
    4,741.11/7,115.54 = 3,355.79/x
  3. Step 3: Cross multiply
    4,741.11x = 7,115.54 × 3,355.79
  4. Step 4: Simplify right side
    4,741.11x = 23,878,241.20
  5. Step 5: Solve for x
    x = 23,878,241.20/4,741.11
  6. Step 6: Final answer
    x = 5,036.42

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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.