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Finding the Fourth Proportional to 47,392.40, 71,069.40 and 16,211.60

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Solution

The fourth proportional to 47,392.40, 71,069.40 and 16,211.60 is: 24,310.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,392.40 : 71,069.40 = 16,211.60 : x
  2. Step 2: Convert to fraction form
    47,392.40/71,069.40 = 16,211.60/x
  3. Step 3: Cross multiply
    47,392.40x = 71,069.40 × 16,211.60
  4. Step 4: Simplify right side
    47,392.40x = 1,152,148,685.04
  5. Step 5: Solve for x
    x = 1,152,148,685.04/47,392.40
  6. Step 6: Final answer
    x = 24,310.83

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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.