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Finding the Fourth Proportional to 1,790.72, 2,466.72 and 1,324.16

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Solution

The fourth proportional to 1,790.72, 2,466.72 and 1,324.16 is: 1,824.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.72 : 2,466.72 = 1,324.16 : x
  2. Step 2: Convert to fraction form
    1,790.72/2,466.72 = 1,324.16/x
  3. Step 3: Cross multiply
    1,790.72x = 2,466.72 × 1,324.16
  4. Step 4: Simplify right side
    1,790.72x = 3,266,331.96
  5. Step 5: Solve for x
    x = 3,266,331.96/1,790.72
  6. Step 6: Final answer
    x = 1,824.03

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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.