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Finding the Fourth Proportional to 36,483.71, 54,725.58 and 8,781.71

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Solution

The fourth proportional to 36,483.71, 54,725.58 and 8,781.71 is: 13,172.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,483.71 : 54,725.58 = 8,781.71 : x
  2. Step 2: Convert to fraction form
    36,483.71/54,725.58 = 8,781.71/x
  3. Step 3: Cross multiply
    36,483.71x = 54,725.58 × 8,781.71
  4. Step 4: Simplify right side
    36,483.71x = 480,584,173.14
  5. Step 5: Solve for x
    x = 480,584,173.14/36,483.71
  6. Step 6: Final answer
    x = 13,172.57

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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.