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Finding the Fourth Proportional to 53,861, 80,794.38 and 16,927.88

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Solution

The fourth proportional to 53,861, 80,794.38 and 16,927.88 is: 25,392.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,861 : 80,794.38 = 16,927.88 : x
  2. Step 2: Convert to fraction form
    53,861/80,794.38 = 16,927.88/x
  3. Step 3: Cross multiply
    53,861x = 80,794.38 × 16,927.88
  4. Step 4: Simplify right side
    53,861x = 1,367,677,569.31
  5. Step 5: Solve for x
    x = 1,367,677,569.31/53,861
  6. Step 6: Final answer
    x = 25,392.73

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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.