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Finding the Fourth Proportional to 3,203.56, 4,805.34 and 895

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Solution

The fourth proportional to 3,203.56, 4,805.34 and 895 is: 1,342.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.56 : 4,805.34 = 895 : x
  2. Step 2: Convert to fraction form
    3,203.56/4,805.34 = 895/x
  3. Step 3: Cross multiply
    3,203.56x = 4,805.34 × 895
  4. Step 4: Simplify right side
    3,203.56x = 4,300,779.30
  5. Step 5: Solve for x
    x = 4,300,779.30/3,203.56
  6. Step 6: Final answer
    x = 1,342.50

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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.