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Finding the Fourth Proportional to 36,557.75, 54,836.90 and 8,855.75

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Solution

The fourth proportional to 36,557.75, 54,836.90 and 8,855.75 is: 13,283.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,557.75 : 54,836.90 = 8,855.75 : x
  2. Step 2: Convert to fraction form
    36,557.75/54,836.90 = 8,855.75/x
  3. Step 3: Cross multiply
    36,557.75x = 54,836.90 × 8,855.75
  4. Step 4: Simplify right side
    36,557.75x = 485,621,877.18
  5. Step 5: Solve for x
    x = 485,621,877.18/36,557.75
  6. Step 6: Final answer
    x = 13,283.69

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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.