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Finding the Fourth Proportional to 7,908.03, 11,861.63 and 2,361.42

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Solution

The fourth proportional to 7,908.03, 11,861.63 and 2,361.42 is: 3,542.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.03 : 11,861.63 = 2,361.42 : x
  2. Step 2: Convert to fraction form
    7,908.03/11,861.63 = 2,361.42/x
  3. Step 3: Cross multiply
    7,908.03x = 11,861.63 × 2,361.42
  4. Step 4: Simplify right side
    7,908.03x = 28,010,231.01
  5. Step 5: Solve for x
    x = 28,010,231.01/7,908.03
  6. Step 6: Final answer
    x = 3,542.00

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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.