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Finding the Fourth Proportional to 6,257,696, 8,635,620.48 and 3,396,128

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Solution

The fourth proportional to 6,257,696, 8,635,620.48 and 3,396,128 is: 4,686,656.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257,696 : 8,635,620.48 = 3,396,128 : x
  2. Step 2: Convert to fraction form
    6,257,696/8,635,620.48 = 3,396,128/x
  3. Step 3: Cross multiply
    6,257,696x = 8,635,620.48 × 3,396,128
  4. Step 4: Simplify right side
    6,257,696x = 29,327,672,509,501.44
  5. Step 5: Solve for x
    x = 29,327,672,509,501.44/6,257,696
  6. Step 6: Final answer
    x = 4,686,656.64

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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.