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Finding the Fourth Proportional to 5,393.56, 7,443.12 and 3,297.68

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Solution

The fourth proportional to 5,393.56, 7,443.12 and 3,297.68 is: 4,550.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.56 : 7,443.12 = 3,297.68 : x
  2. Step 2: Convert to fraction form
    5,393.56/7,443.12 = 3,297.68/x
  3. Step 3: Cross multiply
    5,393.56x = 7,443.12 × 3,297.68
  4. Step 4: Simplify right side
    5,393.56x = 24,545,027.96
  5. Step 5: Solve for x
    x = 24,545,027.96/5,393.56
  6. Step 6: Final answer
    x = 4,550.80

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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.