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Finding the Fourth Proportional to 6,751,799.94, 9,317,546.16 and 3,998,643.96

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Solution

The fourth proportional to 6,751,799.94, 9,317,546.16 and 3,998,643.96 is: 5,518,165.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751,799.94 : 9,317,546.16 = 3,998,643.96 : x
  2. Step 2: Convert to fraction form
    6,751,799.94/9,317,546.16 = 3,998,643.96/x
  3. Step 3: Cross multiply
    6,751,799.94x = 9,317,546.16 × 3,998,643.96
  4. Step 4: Simplify right side
    6,751,799.94x = 37,257,549,674,705.20
  5. Step 5: Solve for x
    x = 37,257,549,674,705.20/6,751,799.94
  6. Step 6: Final answer
    x = 5,518,165.53

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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.