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Finding the Fourth Proportional to 2,951.64, 4,425.96 and 1,308.69

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Solution

The fourth proportional to 2,951.64, 4,425.96 and 1,308.69 is: 1,962.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.64 : 4,425.96 = 1,308.69 : x
  2. Step 2: Convert to fraction form
    2,951.64/4,425.96 = 1,308.69/x
  3. Step 3: Cross multiply
    2,951.64x = 4,425.96 × 1,308.69
  4. Step 4: Simplify right side
    2,951.64x = 5,792,187.46
  5. Step 5: Solve for x
    x = 5,792,187.46/2,951.64
  6. Step 6: Final answer
    x = 1,962.37

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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.