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Finding the Fourth Proportional to 7,304.31, 10,951.07 and 2,918.43

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Solution

The fourth proportional to 7,304.31, 10,951.07 and 2,918.43 is: 4,375.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,304.31 : 10,951.07 = 2,918.43 : x
  2. Step 2: Convert to fraction form
    7,304.31/10,951.07 = 2,918.43/x
  3. Step 3: Cross multiply
    7,304.31x = 10,951.07 × 2,918.43
  4. Step 4: Simplify right side
    7,304.31x = 31,959,916.63
  5. Step 5: Solve for x
    x = 31,959,916.63/7,304.31
  6. Step 6: Final answer
    x = 4,375.49

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1.5x scale

Why These Related Problems?

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