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Finding the Fourth Proportional to 45,825.60, 68,738.40 and 16,244.40

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Solution

The fourth proportional to 45,825.60, 68,738.40 and 16,244.40 is: 24,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,825.60 : 68,738.40 = 16,244.40 : x
  2. Step 2: Convert to fraction form
    45,825.60/68,738.40 = 16,244.40/x
  3. Step 3: Cross multiply
    45,825.60x = 68,738.40 × 16,244.40
  4. Step 4: Simplify right side
    45,825.60x = 1,116,614,064.96
  5. Step 5: Solve for x
    x = 1,116,614,064.96/45,825.60
  6. Step 6: Final answer
    x = 24,366.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.