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Finding the Fourth Proportional to 5,950.72, 8,919.89 and 1,999.05

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Solution

The fourth proportional to 5,950.72, 8,919.89 and 1,999.05 is: 2,996.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,950.72 : 8,919.89 = 1,999.05 : x
  2. Step 2: Convert to fraction form
    5,950.72/8,919.89 = 1,999.05/x
  3. Step 3: Cross multiply
    5,950.72x = 8,919.89 × 1,999.05
  4. Step 4: Simplify right side
    5,950.72x = 17,831,270.16
  5. Step 5: Solve for x
    x = 17,831,270.16/5,950.72
  6. Step 6: Final answer
    x = 2,996.49

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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.