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Finding the Fourth Proportional to 7,401.02, 11,103.54 and 3,241.40

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Solution

The fourth proportional to 7,401.02, 11,103.54 and 3,241.40 is: 4,862.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.02 : 11,103.54 = 3,241.40 : x
  2. Step 2: Convert to fraction form
    7,401.02/11,103.54 = 3,241.40/x
  3. Step 3: Cross multiply
    7,401.02x = 11,103.54 × 3,241.40
  4. Step 4: Simplify right side
    7,401.02x = 35,991,014.56
  5. Step 5: Solve for x
    x = 35,991,014.56/7,401.02
  6. Step 6: Final answer
    x = 4,862.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.