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Finding the Fourth Proportional to 16,493,960.80, 24,698,950.80 and 15,738,133.60

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Solution

The fourth proportional to 16,493,960.80, 24,698,950.80 and 15,738,133.60 is: 23,567,134.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,493,960.80 : 24,698,950.80 = 15,738,133.60 : x
  2. Step 2: Convert to fraction form
    16,493,960.80/24,698,950.80 = 15,738,133.60/x
  3. Step 3: Cross multiply
    16,493,960.80x = 24,698,950.80 × 15,738,133.60
  4. Step 4: Simplify right side
    16,493,960.80x = 388,715,387,470,226.88
  5. Step 5: Solve for x
    x = 388,715,387,470,226.88/16,493,960.80
  6. Step 6: Final answer
    x = 23,567,134.19

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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.