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Finding the Fourth Proportional to 36,628.88, 54,965.88 and 14,438.48

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Solution

The fourth proportional to 36,628.88, 54,965.88 and 14,438.48 is: 21,666.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,628.88 : 54,965.88 = 14,438.48 : x
  2. Step 2: Convert to fraction form
    36,628.88/54,965.88 = 14,438.48/x
  3. Step 3: Cross multiply
    36,628.88x = 54,965.88 × 14,438.48
  4. Step 4: Simplify right side
    36,628.88x = 793,623,759.06
  5. Step 5: Solve for x
    x = 793,623,759.06/36,628.88
  6. Step 6: Final answer
    x = 21,666.61

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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.