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Finding the Fourth Proportional to 6,498,698.03, 8,968,340.11 and 3,558,638.60

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Solution

The fourth proportional to 6,498,698.03, 8,968,340.11 and 3,558,638.60 is: 4,910,996.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,498,698.03 : 8,968,340.11 = 3,558,638.60 : x
  2. Step 2: Convert to fraction form
    6,498,698.03/8,968,340.11 = 3,558,638.60/x
  3. Step 3: Cross multiply
    6,498,698.03x = 8,968,340.11 × 3,558,638.60
  4. Step 4: Simplify right side
    6,498,698.03x = 31,915,081,293,374.25
  5. Step 5: Solve for x
    x = 31,915,081,293,374.25/6,498,698.03
  6. Step 6: Final answer
    x = 4,910,996.19

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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.