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Finding the Fourth Proportional to 14,758.88, 20,369.60 and 9,096.96

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Solution

The fourth proportional to 14,758.88, 20,369.60 and 9,096.96 is: 12,555.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,758.88 : 20,369.60 = 9,096.96 : x
  2. Step 2: Convert to fraction form
    14,758.88/20,369.60 = 9,096.96/x
  3. Step 3: Cross multiply
    14,758.88x = 20,369.60 × 9,096.96
  4. Step 4: Simplify right side
    14,758.88x = 185,301,436.42
  5. Step 5: Solve for x
    x = 185,301,436.42/14,758.88
  6. Step 6: Final answer
    x = 12,555.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.