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Finding the Fourth Proportional to 53,903.54, 80,892.21 and 18,843.26

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Solution

The fourth proportional to 53,903.54, 80,892.21 and 18,843.26 is: 28,277.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,903.54 : 80,892.21 = 18,843.26 : x
  2. Step 2: Convert to fraction form
    53,903.54/80,892.21 = 18,843.26/x
  3. Step 3: Cross multiply
    53,903.54x = 80,892.21 × 18,843.26
  4. Step 4: Simplify right side
    53,903.54x = 1,524,272,945.00
  5. Step 5: Solve for x
    x = 1,524,272,945.00/53,903.54
  6. Step 6: Final answer
    x = 28,277.79

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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.