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Finding the Fourth Proportional to 5,865.08, 8,791.47 and 2,164.95

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Solution

The fourth proportional to 5,865.08, 8,791.47 and 2,164.95 is: 3,245.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.08 : 8,791.47 = 2,164.95 : x
  2. Step 2: Convert to fraction form
    5,865.08/8,791.47 = 2,164.95/x
  3. Step 3: Cross multiply
    5,865.08x = 8,791.47 × 2,164.95
  4. Step 4: Simplify right side
    5,865.08x = 19,033,092.98
  5. Step 5: Solve for x
    x = 19,033,092.98/5,865.08
  6. Step 6: Final answer
    x = 3,245.16

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1.5x scale

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.