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Finding the Fourth Proportional to 50,661.84, 75,994.31 and 17,381.44

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Solution

The fourth proportional to 50,661.84, 75,994.31 and 17,381.44 is: 26,072.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,661.84 : 75,994.31 = 17,381.44 : x
  2. Step 2: Convert to fraction form
    50,661.84/75,994.31 = 17,381.44/x
  3. Step 3: Cross multiply
    50,661.84x = 75,994.31 × 17,381.44
  4. Step 4: Simplify right side
    50,661.84x = 1,320,890,612.87
  5. Step 5: Solve for x
    x = 1,320,890,612.87/50,661.84
  6. Step 6: Final answer
    x = 26,072.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.