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Finding the Fourth Proportional to 43,474.44, 65,210.94 and 13,892.08

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Solution

The fourth proportional to 43,474.44, 65,210.94 and 13,892.08 is: 20,837.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,474.44 : 65,210.94 = 13,892.08 : x
  2. Step 2: Convert to fraction form
    43,474.44/65,210.94 = 13,892.08/x
  3. Step 3: Cross multiply
    43,474.44x = 65,210.94 × 13,892.08
  4. Step 4: Simplify right side
    43,474.44x = 905,915,595.36
  5. Step 5: Solve for x
    x = 905,915,595.36/43,474.44
  6. Step 6: Final answer
    x = 20,837.89

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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.