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Finding the Fourth Proportional to 5,756.79, 7,945.08 and 3,239.01

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Solution

The fourth proportional to 5,756.79, 7,945.08 and 3,239.01 is: 4,470.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,756.79 : 7,945.08 = 3,239.01 : x
  2. Step 2: Convert to fraction form
    5,756.79/7,945.08 = 3,239.01/x
  3. Step 3: Cross multiply
    5,756.79x = 7,945.08 × 3,239.01
  4. Step 4: Simplify right side
    5,756.79x = 25,734,193.57
  5. Step 5: Solve for x
    x = 25,734,193.57/5,756.79
  6. Step 6: Final answer
    x = 4,470.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.