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Finding the Fourth Proportional to 9,778.44, 14,670.54 and 3,621

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Solution

The fourth proportional to 9,778.44, 14,670.54 and 3,621 is: 5,432.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778.44 : 14,670.54 = 3,621 : x
  2. Step 2: Convert to fraction form
    9,778.44/14,670.54 = 3,621/x
  3. Step 3: Cross multiply
    9,778.44x = 14,670.54 × 3,621
  4. Step 4: Simplify right side
    9,778.44x = 53,122,025.34
  5. Step 5: Solve for x
    x = 53,122,025.34/9,778.44
  6. Step 6: Final answer
    x = 5,432.57

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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.