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Finding the Fourth Proportional to 14,620.46, 20,152.53 and 11,428.11

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Solution

The fourth proportional to 14,620.46, 20,152.53 and 11,428.11 is: 15,752.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.46 : 20,152.53 = 11,428.11 : x
  2. Step 2: Convert to fraction form
    14,620.46/20,152.53 = 11,428.11/x
  3. Step 3: Cross multiply
    14,620.46x = 20,152.53 × 11,428.11
  4. Step 4: Simplify right side
    14,620.46x = 230,305,329.62
  5. Step 5: Solve for x
    x = 230,305,329.62/14,620.46
  6. Step 6: Final answer
    x = 15,752.27

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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.