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Finding the Fourth Proportional to 5,749.94, 7,934.82 and 3,392.30

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Solution

The fourth proportional to 5,749.94, 7,934.82 and 3,392.30 is: 4,681.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.94 : 7,934.82 = 3,392.30 : x
  2. Step 2: Convert to fraction form
    5,749.94/7,934.82 = 3,392.30/x
  3. Step 3: Cross multiply
    5,749.94x = 7,934.82 × 3,392.30
  4. Step 4: Simplify right side
    5,749.94x = 26,917,289.89
  5. Step 5: Solve for x
    x = 26,917,289.89/5,749.94
  6. Step 6: Final answer
    x = 4,681.32

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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.