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Finding the Fourth Proportional to 5,266.16, 7,267.24 and 2,876.16

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Solution

The fourth proportional to 5,266.16, 7,267.24 and 2,876.16 is: 3,969.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.16 : 7,267.24 = 2,876.16 : x
  2. Step 2: Convert to fraction form
    5,266.16/7,267.24 = 2,876.16/x
  3. Step 3: Cross multiply
    5,266.16x = 7,267.24 × 2,876.16
  4. Step 4: Simplify right side
    5,266.16x = 20,901,745.00
  5. Step 5: Solve for x
    x = 20,901,745.00/5,266.16
  6. Step 6: Final answer
    x = 3,969.07

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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.