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Finding the Fourth Proportional to 2,895.03, 3,995.19 and 1,636.11

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Solution

The fourth proportional to 2,895.03, 3,995.19 and 1,636.11 is: 2,257.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.03 : 3,995.19 = 1,636.11 : x
  2. Step 2: Convert to fraction form
    2,895.03/3,995.19 = 1,636.11/x
  3. Step 3: Cross multiply
    2,895.03x = 3,995.19 × 1,636.11
  4. Step 4: Simplify right side
    2,895.03x = 6,536,570.31
  5. Step 5: Solve for x
    x = 6,536,570.31/2,895.03
  6. Step 6: Final answer
    x = 2,257.86

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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.