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Finding the Fourth Proportional to 68,583.44, 94,647.84 and 40,288.88

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Solution

The fourth proportional to 68,583.44, 94,647.84 and 40,288.88 is: 55,600.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,583.44 : 94,647.84 = 40,288.88 : x
  2. Step 2: Convert to fraction form
    68,583.44/94,647.84 = 40,288.88/x
  3. Step 3: Cross multiply
    68,583.44x = 94,647.84 × 40,288.88
  4. Step 4: Simplify right side
    68,583.44x = 3,813,255,468.02
  5. Step 5: Solve for x
    x = 3,813,255,468.02/68,583.44
  6. Step 6: Final answer
    x = 55,600.24

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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.