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Finding the Fourth Proportional to 6,879,904.23, 9,494,273.91 and 3,782,480.28

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Solution

The fourth proportional to 6,879,904.23, 9,494,273.91 and 3,782,480.28 is: 5,219,826.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879,904.23 : 9,494,273.91 = 3,782,480.28 : x
  2. Step 2: Convert to fraction form
    6,879,904.23/9,494,273.91 = 3,782,480.28/x
  3. Step 3: Cross multiply
    6,879,904.23x = 9,494,273.91 × 3,782,480.28
  4. Step 4: Simplify right side
    6,879,904.23x = 35,911,903,866,315.67
  5. Step 5: Solve for x
    x = 35,911,903,866,315.67/6,879,904.23
  6. Step 6: Final answer
    x = 5,219,826.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.