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Finding the Fourth Proportional to 5,400.75, 7,451.22 and 4,404.30

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Solution

The fourth proportional to 5,400.75, 7,451.22 and 4,404.30 is: 6,076.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.75 : 7,451.22 = 4,404.30 : x
  2. Step 2: Convert to fraction form
    5,400.75/7,451.22 = 4,404.30/x
  3. Step 3: Cross multiply
    5,400.75x = 7,451.22 × 4,404.30
  4. Step 4: Simplify right side
    5,400.75x = 32,817,408.25
  5. Step 5: Solve for x
    x = 32,817,408.25/5,400.75
  6. Step 6: Final answer
    x = 6,076.45

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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.