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Finding the Fourth Proportional to 30,132.44, 41,578.40 and 16,703.69

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Solution

The fourth proportional to 30,132.44, 41,578.40 and 16,703.69 is: 23,048.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,132.44 : 41,578.40 = 16,703.69 : x
  2. Step 2: Convert to fraction form
    30,132.44/41,578.40 = 16,703.69/x
  3. Step 3: Cross multiply
    30,132.44x = 41,578.40 × 16,703.69
  4. Step 4: Simplify right side
    30,132.44x = 694,512,704.30
  5. Step 5: Solve for x
    x = 694,512,704.30/30,132.44
  6. Step 6: Final answer
    x = 23,048.67

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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.