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Finding the Fourth Proportional to 16,273,819.20, 24,410,728.80 and 4,912,791.60

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Solution

The fourth proportional to 16,273,819.20, 24,410,728.80 and 4,912,791.60 is: 7,369,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,273,819.20 : 24,410,728.80 = 4,912,791.60 : x
  2. Step 2: Convert to fraction form
    16,273,819.20/24,410,728.80 = 4,912,791.60/x
  3. Step 3: Cross multiply
    16,273,819.20x = 24,410,728.80 × 4,912,791.60
  4. Step 4: Simplify right side
    16,273,819.20x = 119,924,823,398,518.08
  5. Step 5: Solve for x
    x = 119,924,823,398,518.08/16,273,819.20
  6. Step 6: Final answer
    x = 7,369,187.40

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1.5x scale

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.