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Finding the Fourth Proportional to 4,953,494.94, 6,835,872.54 and 2,777,991.39

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Solution

The fourth proportional to 4,953,494.94, 6,835,872.54 and 2,777,991.39 is: 3,833,655.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,953,494.94 : 6,835,872.54 = 2,777,991.39 : x
  2. Step 2: Convert to fraction form
    4,953,494.94/6,835,872.54 = 2,777,991.39/x
  3. Step 3: Cross multiply
    4,953,494.94x = 6,835,872.54 × 2,777,991.39
  4. Step 4: Simplify right side
    4,953,494.94x = 18,989,995,041,231.44
  5. Step 5: Solve for x
    x = 18,989,995,041,231.44/4,953,494.94
  6. Step 6: Final answer
    x = 3,833,655.88

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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.