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Finding the Fourth Proportional to 5,255.56, 7,883.51 and 1,968.03

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Solution

The fourth proportional to 5,255.56, 7,883.51 and 1,968.03 is: 2,952.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.56 : 7,883.51 = 1,968.03 : x
  2. Step 2: Convert to fraction form
    5,255.56/7,883.51 = 1,968.03/x
  3. Step 3: Cross multiply
    5,255.56x = 7,883.51 × 1,968.03
  4. Step 4: Simplify right side
    5,255.56x = 15,514,984.19
  5. Step 5: Solve for x
    x = 15,514,984.19/5,255.56
  6. Step 6: Final answer
    x = 2,952.11

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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.