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Finding the Fourth Proportional to 39,813.84, 54,945.72 and 26,361.72

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Solution

The fourth proportional to 39,813.84, 54,945.72 and 26,361.72 is: 36,380.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,813.84 : 54,945.72 = 26,361.72 : x
  2. Step 2: Convert to fraction form
    39,813.84/54,945.72 = 26,361.72/x
  3. Step 3: Cross multiply
    39,813.84x = 54,945.72 × 26,361.72
  4. Step 4: Simplify right side
    39,813.84x = 1,448,463,685.84
  5. Step 5: Solve for x
    x = 1,448,463,685.84/39,813.84
  6. Step 6: Final answer
    x = 36,380.91

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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.