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Finding the Fourth Proportional to 6,336,796.60, 9,505,194.90 and 3,948,009.40

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Solution

The fourth proportional to 6,336,796.60, 9,505,194.90 and 3,948,009.40 is: 5,922,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,336,796.60 : 9,505,194.90 = 3,948,009.40 : x
  2. Step 2: Convert to fraction form
    6,336,796.60/9,505,194.90 = 3,948,009.40/x
  3. Step 3: Cross multiply
    6,336,796.60x = 9,505,194.90 × 3,948,009.40
  4. Step 4: Simplify right side
    6,336,796.60x = 37,526,598,814,032.06
  5. Step 5: Solve for x
    x = 37,526,598,814,032.06/6,336,796.60
  6. Step 6: Final answer
    x = 5,922,014.10

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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.