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Finding the Fourth Proportional to 5,408.54, 7,462.03 and 3,018.12

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Solution

The fourth proportional to 5,408.54, 7,462.03 and 3,018.12 is: 4,164.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.54 : 7,462.03 = 3,018.12 : x
  2. Step 2: Convert to fraction form
    5,408.54/7,462.03 = 3,018.12/x
  3. Step 3: Cross multiply
    5,408.54x = 7,462.03 × 3,018.12
  4. Step 4: Simplify right side
    5,408.54x = 22,521,286.89
  5. Step 5: Solve for x
    x = 22,521,286.89/5,408.54
  6. Step 6: Final answer
    x = 4,164.03

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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.