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Finding the Fourth Proportional to 7,000.49, 9,661.37 and 5,229.02

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Solution

The fourth proportional to 7,000.49, 9,661.37 and 5,229.02 is: 7,216.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.49 : 9,661.37 = 5,229.02 : x
  2. Step 2: Convert to fraction form
    7,000.49/9,661.37 = 5,229.02/x
  3. Step 3: Cross multiply
    7,000.49x = 9,661.37 × 5,229.02
  4. Step 4: Simplify right side
    7,000.49x = 50,519,494.97
  5. Step 5: Solve for x
    x = 50,519,494.97/7,000.49
  6. Step 6: Final answer
    x = 7,216.56

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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.