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Finding the Fourth Proportional to 7,559.70, 11,344.76 and 2,629.33

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Solution

The fourth proportional to 7,559.70, 11,344.76 and 2,629.33 is: 3,945.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,559.70 : 11,344.76 = 2,629.33 : x
  2. Step 2: Convert to fraction form
    7,559.70/11,344.76 = 2,629.33/x
  3. Step 3: Cross multiply
    7,559.70x = 11,344.76 × 2,629.33
  4. Step 4: Simplify right side
    7,559.70x = 29,829,086.16
  5. Step 5: Solve for x
    x = 29,829,086.16/7,559.70
  6. Step 6: Final answer
    x = 3,945.80

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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.