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Finding the Fourth Proportional to 36,554.94, 54,821.36 and 19,015.20

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Solution

The fourth proportional to 36,554.94, 54,821.36 and 19,015.20 is: 28,517.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,554.94 : 54,821.36 = 19,015.20 : x
  2. Step 2: Convert to fraction form
    36,554.94/54,821.36 = 19,015.20/x
  3. Step 3: Cross multiply
    36,554.94x = 54,821.36 × 19,015.20
  4. Step 4: Simplify right side
    36,554.94x = 1,042,439,029.60
  5. Step 5: Solve for x
    x = 1,042,439,029.60/36,554.94
  6. Step 6: Final answer
    x = 28,517.05

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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.