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Finding the Fourth Proportional to 1,150.89, 1,723.46 and 662.46

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Solution

The fourth proportional to 1,150.89, 1,723.46 and 662.46 is: 992.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.89 : 1,723.46 = 662.46 : x
  2. Step 2: Convert to fraction form
    1,150.89/1,723.46 = 662.46/x
  3. Step 3: Cross multiply
    1,150.89x = 1,723.46 × 662.46
  4. Step 4: Simplify right side
    1,150.89x = 1,141,720.00
  5. Step 5: Solve for x
    x = 1,141,720.00/1,150.89
  6. Step 6: Final answer
    x = 992.03

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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.