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Finding the Fourth Proportional to 38,443.98, 57,674.44 and 11,793.64

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Solution

The fourth proportional to 38,443.98, 57,674.44 and 11,793.64 is: 17,693.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,443.98 : 57,674.44 = 11,793.64 : x
  2. Step 2: Convert to fraction form
    38,443.98/57,674.44 = 11,793.64/x
  3. Step 3: Cross multiply
    38,443.98x = 57,674.44 × 11,793.64
  4. Step 4: Simplify right side
    38,443.98x = 680,191,523.59
  5. Step 5: Solve for x
    x = 680,191,523.59/38,443.98
  6. Step 6: Final answer
    x = 17,693.06

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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.