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Finding the Fourth Proportional to 49,847.49, 68,787.11 and 29,703.93

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Solution

The fourth proportional to 49,847.49, 68,787.11 and 29,703.93 is: 40,989.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,847.49 : 68,787.11 = 29,703.93 : x
  2. Step 2: Convert to fraction form
    49,847.49/68,787.11 = 29,703.93/x
  3. Step 3: Cross multiply
    49,847.49x = 68,787.11 × 29,703.93
  4. Step 4: Simplify right side
    49,847.49x = 2,043,247,230.67
  5. Step 5: Solve for x
    x = 2,043,247,230.67/49,847.49
  6. Step 6: Final answer
    x = 40,989.97

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1.5x scale

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.