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Finding the Fourth Proportional to 36,650.40, 54,964.80 and 14,456.40

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Solution

The fourth proportional to 36,650.40, 54,964.80 and 14,456.40 is: 21,680.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,650.40 : 54,964.80 = 14,456.40 : x
  2. Step 2: Convert to fraction form
    36,650.40/54,964.80 = 14,456.40/x
  3. Step 3: Cross multiply
    36,650.40x = 54,964.80 × 14,456.40
  4. Step 4: Simplify right side
    36,650.40x = 794,593,134.72
  5. Step 5: Solve for x
    x = 794,593,134.72/36,650.40
  6. Step 6: Final answer
    x = 21,680.34

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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.