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Finding the Fourth Proportional to 1,884.56, 2,599.56 and 1,185.36

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Solution

The fourth proportional to 1,884.56, 2,599.56 and 1,185.36 is: 1,635.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.56 : 2,599.56 = 1,185.36 : x
  2. Step 2: Convert to fraction form
    1,884.56/2,599.56 = 1,185.36/x
  3. Step 3: Cross multiply
    1,884.56x = 2,599.56 × 1,185.36
  4. Step 4: Simplify right side
    1,884.56x = 3,081,414.44
  5. Step 5: Solve for x
    x = 3,081,414.44/1,884.56
  6. Step 6: Final answer
    x = 1,635.08

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Why These Related Problems?

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