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Finding the Fourth Proportional to 6,462,703.24, 8,918,481.18 and 3,562,099.72

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Solution

The fourth proportional to 6,462,703.24, 8,918,481.18 and 3,562,099.72 is: 4,915,670.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,462,703.24 : 8,918,481.18 = 3,562,099.72 : x
  2. Step 2: Convert to fraction form
    6,462,703.24/8,918,481.18 = 3,562,099.72/x
  3. Step 3: Cross multiply
    6,462,703.24x = 8,918,481.18 × 3,562,099.72
  4. Step 4: Simplify right side
    6,462,703.24x = 31,768,519,314,103.27
  5. Step 5: Solve for x
    x = 31,768,519,314,103.27/6,462,703.24
  6. Step 6: Final answer
    x = 4,915,670.45

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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.