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Finding the Fourth Proportional to 53,854.56, 80,795.52 and 18,794.88

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Solution

The fourth proportional to 53,854.56, 80,795.52 and 18,794.88 is: 28,197.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,854.56 : 80,795.52 = 18,794.88 : x
  2. Step 2: Convert to fraction form
    53,854.56/80,795.52 = 18,794.88/x
  3. Step 3: Cross multiply
    53,854.56x = 80,795.52 × 18,794.88
  4. Step 4: Simplify right side
    53,854.56x = 1,518,542,102.94
  5. Step 5: Solve for x
    x = 1,518,542,102.94/53,854.56
  6. Step 6: Final answer
    x = 28,197.09

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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.