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Finding the Fourth Proportional to 7,247.88, 10,022.21 and 5,753.21

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Solution

The fourth proportional to 7,247.88, 10,022.21 and 5,753.21 is: 7,955.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.88 : 10,022.21 = 5,753.21 : x
  2. Step 2: Convert to fraction form
    7,247.88/10,022.21 = 5,753.21/x
  3. Step 3: Cross multiply
    7,247.88x = 10,022.21 × 5,753.21
  4. Step 4: Simplify right side
    7,247.88x = 57,659,821.49
  5. Step 5: Solve for x
    x = 57,659,821.49/7,247.88
  6. Step 6: Final answer
    x = 7,955.41

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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.