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Finding the Fourth Proportional to 7,300.89, 10,951.71 and 2,107.17

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Solution

The fourth proportional to 7,300.89, 10,951.71 and 2,107.17 is: 3,160.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,300.89 : 10,951.71 = 2,107.17 : x
  2. Step 2: Convert to fraction form
    7,300.89/10,951.71 = 2,107.17/x
  3. Step 3: Cross multiply
    7,300.89x = 10,951.71 × 2,107.17
  4. Step 4: Simplify right side
    7,300.89x = 23,077,114.76
  5. Step 5: Solve for x
    x = 23,077,114.76/7,300.89
  6. Step 6: Final answer
    x = 3,160.86

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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.