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Finding the Fourth Proportional to 7,000,942.50, 10,503,184.95 and 1,952,253.54

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Solution

The fourth proportional to 7,000,942.50, 10,503,184.95 and 1,952,253.54 is: 2,928,874.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000,942.50 : 10,503,184.95 = 1,952,253.54 : x
  2. Step 2: Convert to fraction form
    7,000,942.50/10,503,184.95 = 1,952,253.54/x
  3. Step 3: Cross multiply
    7,000,942.50x = 10,503,184.95 × 1,952,253.54
  4. Step 4: Simplify right side
    7,000,942.50x = 20,504,879,999,912.22
  5. Step 5: Solve for x
    x = 20,504,879,999,912.22/7,000,942.50
  6. Step 6: Final answer
    x = 2,928,874.22

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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.