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Finding the Fourth Proportional to 36,483.46, 54,725.21 and 8,781.46

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Solution

The fourth proportional to 36,483.46, 54,725.21 and 8,781.46 is: 13,172.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,483.46 : 54,725.21 = 8,781.46 : x
  2. Step 2: Convert to fraction form
    36,483.46/54,725.21 = 8,781.46/x
  3. Step 3: Cross multiply
    36,483.46x = 54,725.21 × 8,781.46
  4. Step 4: Simplify right side
    36,483.46x = 480,567,198.70
  5. Step 5: Solve for x
    x = 480,567,198.70/36,483.46
  6. Step 6: Final answer
    x = 13,172.19

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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.