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Finding the Fourth Proportional to 7,020.26, 9,699.83 and 5,433.38

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Solution

The fourth proportional to 7,020.26, 9,699.83 and 5,433.38 is: 7,507.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.26 : 9,699.83 = 5,433.38 : x
  2. Step 2: Convert to fraction form
    7,020.26/9,699.83 = 5,433.38/x
  3. Step 3: Cross multiply
    7,020.26x = 9,699.83 × 5,433.38
  4. Step 4: Simplify right side
    7,020.26x = 52,702,786.66
  5. Step 5: Solve for x
    x = 52,702,786.66/7,020.26
  6. Step 6: Final answer
    x = 7,507.25

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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.