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Finding the Fourth Proportional to 44,285.66, 66,418.71 and 13,110.38

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Solution

The fourth proportional to 44,285.66, 66,418.71 and 13,110.38 is: 19,662.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,285.66 : 66,418.71 = 13,110.38 : x
  2. Step 2: Convert to fraction form
    44,285.66/66,418.71 = 13,110.38/x
  3. Step 3: Cross multiply
    44,285.66x = 66,418.71 × 13,110.38
  4. Step 4: Simplify right side
    44,285.66x = 870,774,527.21
  5. Step 5: Solve for x
    x = 870,774,527.21/44,285.66
  6. Step 6: Final answer
    x = 19,662.67

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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.