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Finding the Fourth Proportional to 53,953.63, 80,944.11 and 18,892.37

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Solution

The fourth proportional to 53,953.63, 80,944.11 and 18,892.37 is: 28,343.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,953.63 : 80,944.11 = 18,892.37 : x
  2. Step 2: Convert to fraction form
    53,953.63/80,944.11 = 18,892.37/x
  3. Step 3: Cross multiply
    53,953.63x = 80,944.11 × 18,892.37
  4. Step 4: Simplify right side
    53,953.63x = 1,529,226,277.80
  5. Step 5: Solve for x
    x = 1,529,226,277.80/53,953.63
  6. Step 6: Final answer
    x = 28,343.34

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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.