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Finding the Fourth Proportional to 8,761.14, 13,141.71 and 3,563.54

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Solution

The fourth proportional to 8,761.14, 13,141.71 and 3,563.54 is: 5,345.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761.14 : 13,141.71 = 3,563.54 : x
  2. Step 2: Convert to fraction form
    8,761.14/13,141.71 = 3,563.54/x
  3. Step 3: Cross multiply
    8,761.14x = 13,141.71 × 3,563.54
  4. Step 4: Simplify right side
    8,761.14x = 46,831,009.25
  5. Step 5: Solve for x
    x = 46,831,009.25/8,761.14
  6. Step 6: Final answer
    x = 5,345.31

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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.