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Finding the Fourth Proportional to 6,239,550.22, 8,609,787.90 and 3,660,289.90

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Solution

The fourth proportional to 6,239,550.22, 8,609,787.90 and 3,660,289.90 is: 5,050,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239,550.22 : 8,609,787.90 = 3,660,289.90 : x
  2. Step 2: Convert to fraction form
    6,239,550.22/8,609,787.90 = 3,660,289.90/x
  3. Step 3: Cross multiply
    6,239,550.22x = 8,609,787.90 × 3,660,289.90
  4. Step 4: Simplify right side
    6,239,550.22x = 31,514,319,691,512.21
  5. Step 5: Solve for x
    x = 31,514,319,691,512.21/6,239,550.22
  6. Step 6: Final answer
    x = 5,050,735.80

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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.