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Finding the Fourth Proportional to 1,662.41, 2,492.19 and 737.46

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Solution

The fourth proportional to 1,662.41, 2,492.19 and 737.46 is: 1,105.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662.41 : 2,492.19 = 737.46 : x
  2. Step 2: Convert to fraction form
    1,662.41/2,492.19 = 737.46/x
  3. Step 3: Cross multiply
    1,662.41x = 2,492.19 × 737.46
  4. Step 4: Simplify right side
    1,662.41x = 1,837,890.44
  5. Step 5: Solve for x
    x = 1,837,890.44/1,662.41
  6. Step 6: Final answer
    x = 1,105.56

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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.