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Finding the Fourth Proportional to 53,475.56, 80,213.11 and 13,494.63

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Solution

The fourth proportional to 53,475.56, 80,213.11 and 13,494.63 is: 20,241.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,475.56 : 80,213.11 = 13,494.63 : x
  2. Step 2: Convert to fraction form
    53,475.56/80,213.11 = 13,494.63/x
  3. Step 3: Cross multiply
    53,475.56x = 80,213.11 × 13,494.63
  4. Step 4: Simplify right side
    53,475.56x = 1,082,446,240.60
  5. Step 5: Solve for x
    x = 1,082,446,240.60/53,475.56
  6. Step 6: Final answer
    x = 20,241.89

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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.