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Finding the Fourth Proportional to 7,954.98, 11,947.32 and 7,304.82

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Solution

The fourth proportional to 7,954.98, 11,947.32 and 7,304.82 is: 10,970.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.98 : 11,947.32 = 7,304.82 : x
  2. Step 2: Convert to fraction form
    7,954.98/11,947.32 = 7,304.82/x
  3. Step 3: Cross multiply
    7,954.98x = 11,947.32 × 7,304.82
  4. Step 4: Simplify right side
    7,954.98x = 87,273,022.08
  5. Step 5: Solve for x
    x = 87,273,022.08/7,954.98
  6. Step 6: Final answer
    x = 10,970.87

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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.