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Finding the Fourth Proportional to 4,998,842.82, 7,493,214.96 and 1,968,335.15

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Solution

The fourth proportional to 4,998,842.82, 7,493,214.96 and 1,968,335.15 is: 2,950,514.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998,842.82 : 7,493,214.96 = 1,968,335.15 : x
  2. Step 2: Convert to fraction form
    4,998,842.82/7,493,214.96 = 1,968,335.15/x
  3. Step 3: Cross multiply
    4,998,842.82x = 7,493,214.96 × 1,968,335.15
  4. Step 4: Simplify right side
    4,998,842.82x = 14,749,158,392,273.84
  5. Step 5: Solve for x
    x = 14,749,158,392,273.84/4,998,842.82
  6. Step 6: Final answer
    x = 2,950,514.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.