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Finding the Fourth Proportional to 1,536.89, 2,305.94 and 563.67

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Solution

The fourth proportional to 1,536.89, 2,305.94 and 563.67 is: 845.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.89 : 2,305.94 = 563.67 : x
  2. Step 2: Convert to fraction form
    1,536.89/2,305.94 = 563.67/x
  3. Step 3: Cross multiply
    1,536.89x = 2,305.94 × 563.67
  4. Step 4: Simplify right side
    1,536.89x = 1,299,786.38
  5. Step 5: Solve for x
    x = 1,299,786.38/1,536.89
  6. Step 6: Final answer
    x = 845.73

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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.