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Finding the Fourth Proportional to 47,376.40, 71,045.40 and 16,195.60

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Solution

The fourth proportional to 47,376.40, 71,045.40 and 16,195.60 is: 24,286.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,376.40 : 71,045.40 = 16,195.60 : x
  2. Step 2: Convert to fraction form
    47,376.40/71,045.40 = 16,195.60/x
  3. Step 3: Cross multiply
    47,376.40x = 71,045.40 × 16,195.60
  4. Step 4: Simplify right side
    47,376.40x = 1,150,622,880.24
  5. Step 5: Solve for x
    x = 1,150,622,880.24/47,376.40
  6. Step 6: Final answer
    x = 24,286.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.