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Finding the Fourth Proportional to 45,174.88, 67,764.24 and 14,009.44

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Solution

The fourth proportional to 45,174.88, 67,764.24 and 14,009.44 is: 21,014.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,174.88 : 67,764.24 = 14,009.44 : x
  2. Step 2: Convert to fraction form
    45,174.88/67,764.24 = 14,009.44/x
  3. Step 3: Cross multiply
    45,174.88x = 67,764.24 × 14,009.44
  4. Step 4: Simplify right side
    45,174.88x = 949,339,054.43
  5. Step 5: Solve for x
    x = 949,339,054.43/45,174.88
  6. Step 6: Final answer
    x = 21,014.76

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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.