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Finding the Fourth Proportional to 7,940.76, 10,957.34 and 4,583.56

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Solution

The fourth proportional to 7,940.76, 10,957.34 and 4,583.56 is: 6,324.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.76 : 10,957.34 = 4,583.56 : x
  2. Step 2: Convert to fraction form
    7,940.76/10,957.34 = 4,583.56/x
  3. Step 3: Cross multiply
    7,940.76x = 10,957.34 × 4,583.56
  4. Step 4: Simplify right side
    7,940.76x = 50,223,625.33
  5. Step 5: Solve for x
    x = 50,223,625.33/7,940.76
  6. Step 6: Final answer
    x = 6,324.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.