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Finding the Fourth Proportional to 5,908.21, 8,860.03 and 1,958.26

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Solution

The fourth proportional to 5,908.21, 8,860.03 and 1,958.26 is: 2,936.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,908.21 : 8,860.03 = 1,958.26 : x
  2. Step 2: Convert to fraction form
    5,908.21/8,860.03 = 1,958.26/x
  3. Step 3: Cross multiply
    5,908.21x = 8,860.03 × 1,958.26
  4. Step 4: Simplify right side
    5,908.21x = 17,350,242.35
  5. Step 5: Solve for x
    x = 17,350,242.35/5,908.21
  6. Step 6: Final answer
    x = 2,936.63

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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.