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Finding the Fourth Proportional to 4,011, 5,535.18 and 2,438.79

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Solution

The fourth proportional to 4,011, 5,535.18 and 2,438.79 is: 3,365.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,011 : 5,535.18 = 2,438.79 : x
  2. Step 2: Convert to fraction form
    4,011/5,535.18 = 2,438.79/x
  3. Step 3: Cross multiply
    4,011x = 5,535.18 × 2,438.79
  4. Step 4: Simplify right side
    4,011x = 13,499,141.63
  5. Step 5: Solve for x
    x = 13,499,141.63/4,011
  6. Step 6: Final answer
    x = 3,365.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.