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Finding the Fourth Proportional to 3,168.52, 4,751.34 and 976.84

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Solution

The fourth proportional to 3,168.52, 4,751.34 and 976.84 is: 1,464.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.52 : 4,751.34 = 976.84 : x
  2. Step 2: Convert to fraction form
    3,168.52/4,751.34 = 976.84/x
  3. Step 3: Cross multiply
    3,168.52x = 4,751.34 × 976.84
  4. Step 4: Simplify right side
    3,168.52x = 4,641,298.97
  5. Step 5: Solve for x
    x = 4,641,298.97/3,168.52
  6. Step 6: Final answer
    x = 1,464.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.