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Finding the Fourth Proportional to 53,858.25, 80,800.34 and 16,922.25

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Solution

The fourth proportional to 53,858.25, 80,800.34 and 16,922.25 is: 25,387.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,858.25 : 80,800.34 = 16,922.25 : x
  2. Step 2: Convert to fraction form
    53,858.25/80,800.34 = 16,922.25/x
  3. Step 3: Cross multiply
    53,858.25x = 80,800.34 × 16,922.25
  4. Step 4: Simplify right side
    53,858.25x = 1,367,323,468.95
  5. Step 5: Solve for x
    x = 1,367,323,468.95/53,858.25
  6. Step 6: Final answer
    x = 25,387.45

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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.