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Finding the Fourth Proportional to 6,659,943.66, 9,190,751.22 and 3,604,158.18

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Solution

The fourth proportional to 6,659,943.66, 9,190,751.22 and 3,604,158.18 is: 4,973,753.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659,943.66 : 9,190,751.22 = 3,604,158.18 : x
  2. Step 2: Convert to fraction form
    6,659,943.66/9,190,751.22 = 3,604,158.18/x
  3. Step 3: Cross multiply
    6,659,943.66x = 9,190,751.22 × 3,604,158.18
  4. Step 4: Simplify right side
    6,659,943.66x = 33,124,921,189,907.98
  5. Step 5: Solve for x
    x = 33,124,921,189,907.98/6,659,943.66
  6. Step 6: Final answer
    x = 4,973,753.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.