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Finding the Fourth Proportional to 7,291.62, 10,936.89 and 4,363.38

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Solution

The fourth proportional to 7,291.62, 10,936.89 and 4,363.38 is: 6,544.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291.62 : 10,936.89 = 4,363.38 : x
  2. Step 2: Convert to fraction form
    7,291.62/10,936.89 = 4,363.38/x
  3. Step 3: Cross multiply
    7,291.62x = 10,936.89 × 4,363.38
  4. Step 4: Simplify right side
    7,291.62x = 47,721,807.09
  5. Step 5: Solve for x
    x = 47,721,807.09/7,291.62
  6. Step 6: Final answer
    x = 6,544.75

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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.