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Finding the Fourth Proportional to 24,505.56, 36,703.62 and 18,918

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Solution

The fourth proportional to 24,505.56, 36,703.62 and 18,918 is: 28,334.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,505.56 : 36,703.62 = 18,918 : x
  2. Step 2: Convert to fraction form
    24,505.56/36,703.62 = 18,918/x
  3. Step 3: Cross multiply
    24,505.56x = 36,703.62 × 18,918
  4. Step 4: Simplify right side
    24,505.56x = 694,359,083.16
  5. Step 5: Solve for x
    x = 694,359,083.16/24,505.56
  6. Step 6: Final answer
    x = 28,334.76

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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.