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Finding the Fourth Proportional to 4,916.05, 7,361.51 and 3,245.12

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Solution

The fourth proportional to 4,916.05, 7,361.51 and 3,245.12 is: 4,859.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.05 : 7,361.51 = 3,245.12 : x
  2. Step 2: Convert to fraction form
    4,916.05/7,361.51 = 3,245.12/x
  3. Step 3: Cross multiply
    4,916.05x = 7,361.51 × 3,245.12
  4. Step 4: Simplify right side
    4,916.05x = 23,888,983.33
  5. Step 5: Solve for x
    x = 23,888,983.33/4,916.05
  6. Step 6: Final answer
    x = 4,859.39

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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.