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Finding the Fourth Proportional to 5,289.82, 7,936.35 and 3,339.34

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Solution

The fourth proportional to 5,289.82, 7,936.35 and 3,339.34 is: 5,010.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.82 : 7,936.35 = 3,339.34 : x
  2. Step 2: Convert to fraction form
    5,289.82/7,936.35 = 3,339.34/x
  3. Step 3: Cross multiply
    5,289.82x = 7,936.35 × 3,339.34
  4. Step 4: Simplify right side
    5,289.82x = 26,502,171.01
  5. Step 5: Solve for x
    x = 26,502,171.01/5,289.82
  6. Step 6: Final answer
    x = 5,010.03

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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.