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Finding the Fourth Proportional to 12,297.48, 18,446.16 and 5,720.04

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Solution

The fourth proportional to 12,297.48, 18,446.16 and 5,720.04 is: 8,580.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,297.48 : 18,446.16 = 5,720.04 : x
  2. Step 2: Convert to fraction form
    12,297.48/18,446.16 = 5,720.04/x
  3. Step 3: Cross multiply
    12,297.48x = 18,446.16 × 5,720.04
  4. Step 4: Simplify right side
    12,297.48x = 105,512,773.05
  5. Step 5: Solve for x
    x = 105,512,773.05/12,297.48
  6. Step 6: Final answer
    x = 8,580.03

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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.