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Finding the Fourth Proportional to 6,494,431.77, 8,962,181.70 and 3,593,820.69

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Solution

The fourth proportional to 6,494,431.77, 8,962,181.70 and 3,593,820.69 is: 4,959,398.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,494,431.77 : 8,962,181.70 = 3,593,820.69 : x
  2. Step 2: Convert to fraction form
    6,494,431.77/8,962,181.70 = 3,593,820.69/x
  3. Step 3: Cross multiply
    6,494,431.77x = 8,962,181.70 × 3,593,820.69
  4. Step 4: Simplify right side
    6,494,431.77x = 32,208,474,020,999.37
  5. Step 5: Solve for x
    x = 32,208,474,020,999.37/6,494,431.77
  6. Step 6: Final answer
    x = 4,959,398.32

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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.