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Finding the Fourth Proportional to 5,761.63, 8,643.05 and 2,641.10

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Solution

The fourth proportional to 5,761.63, 8,643.05 and 2,641.10 is: 3,961.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,761.63 : 8,643.05 = 2,641.10 : x
  2. Step 2: Convert to fraction form
    5,761.63/8,643.05 = 2,641.10/x
  3. Step 3: Cross multiply
    5,761.63x = 8,643.05 × 2,641.10
  4. Step 4: Simplify right side
    5,761.63x = 22,827,146.15
  5. Step 5: Solve for x
    x = 22,827,146.15/5,761.63
  6. Step 6: Final answer
    x = 3,961.93

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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.