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Finding the Fourth Proportional to 5,768.75, 7,960.88 and 3,116.16

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Solution

The fourth proportional to 5,768.75, 7,960.88 and 3,116.16 is: 4,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.75 : 7,960.88 = 3,116.16 : x
  2. Step 2: Convert to fraction form
    5,768.75/7,960.88 = 3,116.16/x
  3. Step 3: Cross multiply
    5,768.75x = 7,960.88 × 3,116.16
  4. Step 4: Simplify right side
    5,768.75x = 24,807,383.61
  5. Step 5: Solve for x
    x = 24,807,383.61/5,768.75
  6. Step 6: Final answer
    x = 4,300.30

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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.