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Finding the Fourth Proportional to 7,165.82, 10,734.80 and 4,036.28

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Solution

The fourth proportional to 7,165.82, 10,734.80 and 4,036.28 is: 6,046.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165.82 : 10,734.80 = 4,036.28 : x
  2. Step 2: Convert to fraction form
    7,165.82/10,734.80 = 4,036.28/x
  3. Step 3: Cross multiply
    7,165.82x = 10,734.80 × 4,036.28
  4. Step 4: Simplify right side
    7,165.82x = 43,328,658.54
  5. Step 5: Solve for x
    x = 43,328,658.54/7,165.82
  6. Step 6: Final answer
    x = 6,046.57

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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.