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Finding the Fourth Proportional to 7,425.44, 10,250.16 and 5,450.12

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Solution

The fourth proportional to 7,425.44, 10,250.16 and 5,450.12 is: 7,523.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.44 : 10,250.16 = 5,450.12 : x
  2. Step 2: Convert to fraction form
    7,425.44/10,250.16 = 5,450.12/x
  3. Step 3: Cross multiply
    7,425.44x = 10,250.16 × 5,450.12
  4. Step 4: Simplify right side
    7,425.44x = 55,864,602.02
  5. Step 5: Solve for x
    x = 55,864,602.02/7,425.44
  6. Step 6: Final answer
    x = 7,523.41

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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.