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Finding the Fourth Proportional to 7,662.23, 10,573.22 and 4,304.78

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Solution

The fourth proportional to 7,662.23, 10,573.22 and 4,304.78 is: 5,940.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,662.23 : 10,573.22 = 4,304.78 : x
  2. Step 2: Convert to fraction form
    7,662.23/10,573.22 = 4,304.78/x
  3. Step 3: Cross multiply
    7,662.23x = 10,573.22 × 4,304.78
  4. Step 4: Simplify right side
    7,662.23x = 45,515,311.60
  5. Step 5: Solve for x
    x = 45,515,311.60/7,662.23
  6. Step 6: Final answer
    x = 5,940.22

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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.