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Finding the Fourth Proportional to 4,885,318.54, 6,741,847.65 and 2,709,790.84

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Solution

The fourth proportional to 4,885,318.54, 6,741,847.65 and 2,709,790.84 is: 3,739,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885,318.54 : 6,741,847.65 = 2,709,790.84 : x
  2. Step 2: Convert to fraction form
    4,885,318.54/6,741,847.65 = 2,709,790.84/x
  3. Step 3: Cross multiply
    4,885,318.54x = 6,741,847.65 × 2,709,790.84
  4. Step 4: Simplify right side
    4,885,318.54x = 18,268,997,006,645.53
  5. Step 5: Solve for x
    x = 18,268,997,006,645.53/4,885,318.54
  6. Step 6: Final answer
    x = 3,739,571.30

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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.