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Finding the Fourth Proportional to 7,295.44, 10,940.46 and 2,911.72

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Solution

The fourth proportional to 7,295.44, 10,940.46 and 2,911.72 is: 4,366.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,295.44 : 10,940.46 = 2,911.72 : x
  2. Step 2: Convert to fraction form
    7,295.44/10,940.46 = 2,911.72/x
  3. Step 3: Cross multiply
    7,295.44x = 10,940.46 × 2,911.72
  4. Step 4: Simplify right side
    7,295.44x = 31,855,556.19
  5. Step 5: Solve for x
    x = 31,855,556.19/7,295.44
  6. Step 6: Final answer
    x = 4,366.50

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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.