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Finding the Fourth Proportional to 1,662.46, 2,292.06 and 1,362.62

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Solution

The fourth proportional to 1,662.46, 2,292.06 and 1,362.62 is: 1,878.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662.46 : 2,292.06 = 1,362.62 : x
  2. Step 2: Convert to fraction form
    1,662.46/2,292.06 = 1,362.62/x
  3. Step 3: Cross multiply
    1,662.46x = 2,292.06 × 1,362.62
  4. Step 4: Simplify right side
    1,662.46x = 3,123,206.80
  5. Step 5: Solve for x
    x = 3,123,206.80/1,662.46
  6. Step 6: Final answer
    x = 1,878.67

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