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Finding the Fourth Proportional to 7,309.57, 10,963.13 and 2,628.62

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Solution

The fourth proportional to 7,309.57, 10,963.13 and 2,628.62 is: 3,942.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.57 : 10,963.13 = 2,628.62 : x
  2. Step 2: Convert to fraction form
    7,309.57/10,963.13 = 2,628.62/x
  3. Step 3: Cross multiply
    7,309.57x = 10,963.13 × 2,628.62
  4. Step 4: Simplify right side
    7,309.57x = 28,817,936.76
  5. Step 5: Solve for x
    x = 28,817,936.76/7,309.57
  6. Step 6: Final answer
    x = 3,942.50

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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.