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Finding the Fourth Proportional to 6,462,696.24, 8,918,471.52 and 3,562,092.72

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Solution

The fourth proportional to 6,462,696.24, 8,918,471.52 and 3,562,092.72 is: 4,915,660.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,462,696.24 : 8,918,471.52 = 3,562,092.72 : x
  2. Step 2: Convert to fraction form
    6,462,696.24/8,918,471.52 = 3,562,092.72/x
  3. Step 3: Cross multiply
    6,462,696.24x = 8,918,471.52 × 3,562,092.72
  4. Step 4: Simplify right side
    6,462,696.24x = 31,768,422,474,919.34
  5. Step 5: Solve for x
    x = 31,768,422,474,919.34/6,462,696.24
  6. Step 6: Final answer
    x = 4,915,660.79

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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.