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Finding the Fourth Proportional to 5,448.42, 7,520.22 and 4,562.82

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Solution

The fourth proportional to 5,448.42, 7,520.22 and 4,562.82 is: 6,297.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.42 : 7,520.22 = 4,562.82 : x
  2. Step 2: Convert to fraction form
    5,448.42/7,520.22 = 4,562.82/x
  3. Step 3: Cross multiply
    5,448.42x = 7,520.22 × 4,562.82
  4. Step 4: Simplify right side
    5,448.42x = 34,313,410.22
  5. Step 5: Solve for x
    x = 34,313,410.22/5,448.42
  6. Step 6: Final answer
    x = 6,297.86

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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.