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Finding the Fourth Proportional to 6,625,906.38, 9,939,081.92 and 1,833,194.30

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Solution

The fourth proportional to 6,625,906.38, 9,939,081.92 and 1,833,194.30 is: 2,749,852.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625,906.38 : 9,939,081.92 = 1,833,194.30 : x
  2. Step 2: Convert to fraction form
    6,625,906.38/9,939,081.92 = 1,833,194.30/x
  3. Step 3: Cross multiply
    6,625,906.38x = 9,939,081.92 × 1,833,194.30
  4. Step 4: Simplify right side
    6,625,906.38x = 18,220,268,264,115.67
  5. Step 5: Solve for x
    x = 18,220,268,264,115.67/6,625,906.38
  6. Step 6: Final answer
    x = 2,749,852.96

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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.