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Finding the Fourth Proportional to 9,854,448.80, 14,796,879.60 and 5,375,472.80

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Solution

The fourth proportional to 9,854,448.80, 14,796,879.60 and 5,375,472.80 is: 8,071,504.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,854,448.80 : 14,796,879.60 = 5,375,472.80 : x
  2. Step 2: Convert to fraction form
    9,854,448.80/14,796,879.60 = 5,375,472.80/x
  3. Step 3: Cross multiply
    9,854,448.80x = 14,796,879.60 × 5,375,472.80
  4. Step 4: Simplify right side
    9,854,448.80x = 79,540,223,814,674.88
  5. Step 5: Solve for x
    x = 79,540,223,814,674.88/9,854,448.80
  6. Step 6: Final answer
    x = 8,071,504.09

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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.