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Finding the Fourth Proportional to 53,885.52, 80,834.76 and 18,352.80

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Solution

The fourth proportional to 53,885.52, 80,834.76 and 18,352.80 is: 27,531.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,885.52 : 80,834.76 = 18,352.80 : x
  2. Step 2: Convert to fraction form
    53,885.52/80,834.76 = 18,352.80/x
  3. Step 3: Cross multiply
    53,885.52x = 80,834.76 × 18,352.80
  4. Step 4: Simplify right side
    53,885.52x = 1,483,544,183.33
  5. Step 5: Solve for x
    x = 1,483,544,183.33/53,885.52
  6. Step 6: Final answer
    x = 27,531.41

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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.