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Finding the Fourth Proportional to 5,424.08, 7,485.24 and 3,066.24

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Solution

The fourth proportional to 5,424.08, 7,485.24 and 3,066.24 is: 4,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.08 : 7,485.24 = 3,066.24 : x
  2. Step 2: Convert to fraction form
    5,424.08/7,485.24 = 3,066.24/x
  3. Step 3: Cross multiply
    5,424.08x = 7,485.24 × 3,066.24
  4. Step 4: Simplify right side
    5,424.08x = 22,951,542.30
  5. Step 5: Solve for x
    x = 22,951,542.30/5,424.08
  6. Step 6: Final answer
    x = 4,231.42

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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.