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Finding the Fourth Proportional to 17,888,950.65, 26,833,425.98 and 9,826,793.85

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Solution

The fourth proportional to 17,888,950.65, 26,833,425.98 and 9,826,793.85 is: 14,740,190.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,888,950.65 : 26,833,425.98 = 9,826,793.85 : x
  2. Step 2: Convert to fraction form
    17,888,950.65/26,833,425.98 = 9,826,793.85/x
  3. Step 3: Cross multiply
    17,888,950.65x = 26,833,425.98 × 9,826,793.85
  4. Step 4: Simplify right side
    17,888,950.65x = 263,686,545,345,560.25
  5. Step 5: Solve for x
    x = 263,686,545,345,560.25/17,888,950.65
  6. Step 6: Final answer
    x = 14,740,190.78

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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.