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Finding the Fourth Proportional to 1,662.44, 2,295.13 and 1,103.67

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Solution

The fourth proportional to 1,662.44, 2,295.13 and 1,103.67 is: 1,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662.44 : 2,295.13 = 1,103.67 : x
  2. Step 2: Convert to fraction form
    1,662.44/2,295.13 = 1,103.67/x
  3. Step 3: Cross multiply
    1,662.44x = 2,295.13 × 1,103.67
  4. Step 4: Simplify right side
    1,662.44x = 2,533,063.37
  5. Step 5: Solve for x
    x = 2,533,063.37/1,662.44
  6. Step 6: Final answer
    x = 1,523.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.