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Finding the Fourth Proportional to 48,245.98, 72,371 and 13,185.54

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Solution

The fourth proportional to 48,245.98, 72,371 and 13,185.54 is: 19,778.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,245.98 : 72,371 = 13,185.54 : x
  2. Step 2: Convert to fraction form
    48,245.98/72,371 = 13,185.54/x
  3. Step 3: Cross multiply
    48,245.98x = 72,371 × 13,185.54
  4. Step 4: Simplify right side
    48,245.98x = 954,250,715.34
  5. Step 5: Solve for x
    x = 954,250,715.34/48,245.98
  6. Step 6: Final answer
    x = 19,778.86

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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.