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Finding the Fourth Proportional to 2,322.95, 3,205.67 and 1,328.25

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Solution

The fourth proportional to 2,322.95, 3,205.67 and 1,328.25 is: 1,832.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,322.95 : 3,205.67 = 1,328.25 : x
  2. Step 2: Convert to fraction form
    2,322.95/3,205.67 = 1,328.25/x
  3. Step 3: Cross multiply
    2,322.95x = 3,205.67 × 1,328.25
  4. Step 4: Simplify right side
    2,322.95x = 4,257,924.54
  5. Step 5: Solve for x
    x = 4,257,924.54/2,322.95
  6. Step 6: Final answer
    x = 1,832.99

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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.