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Finding the Fourth Proportional to 5,765.94, 8,643.44 and 2,840.82

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Solution

The fourth proportional to 5,765.94, 8,643.44 and 2,840.82 is: 4,258.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,765.94 : 8,643.44 = 2,840.82 : x
  2. Step 2: Convert to fraction form
    5,765.94/8,643.44 = 2,840.82/x
  3. Step 3: Cross multiply
    5,765.94x = 8,643.44 × 2,840.82
  4. Step 4: Simplify right side
    5,765.94x = 24,554,443.02
  5. Step 5: Solve for x
    x = 24,554,443.02/5,765.94
  6. Step 6: Final answer
    x = 4,258.53

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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.