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Finding the Fourth Proportional to 2,268.63, 3,402.99 and 881.82

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Solution

The fourth proportional to 2,268.63, 3,402.99 and 881.82 is: 1,322.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.63 : 3,402.99 = 881.82 : x
  2. Step 2: Convert to fraction form
    2,268.63/3,402.99 = 881.82/x
  3. Step 3: Cross multiply
    2,268.63x = 3,402.99 × 881.82
  4. Step 4: Simplify right side
    2,268.63x = 3,000,824.64
  5. Step 5: Solve for x
    x = 3,000,824.64/2,268.63
  6. Step 6: Final answer
    x = 1,322.75

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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.