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Finding the Fourth Proportional to 54,963.84, 75,850.32 and 29,813.52

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Solution

The fourth proportional to 54,963.84, 75,850.32 and 29,813.52 is: 41,142.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,963.84 : 75,850.32 = 29,813.52 : x
  2. Step 2: Convert to fraction form
    54,963.84/75,850.32 = 29,813.52/x
  3. Step 3: Cross multiply
    54,963.84x = 75,850.32 × 29,813.52
  4. Step 4: Simplify right side
    54,963.84x = 2,261,365,032.33
  5. Step 5: Solve for x
    x = 2,261,365,032.33/54,963.84
  6. Step 6: Final answer
    x = 41,142.78

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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.