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Finding the Fourth Proportional to 23,133.98, 34,714.79 and 21,251.79

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Solution

The fourth proportional to 23,133.98, 34,714.79 and 21,251.79 is: 31,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,133.98 : 34,714.79 = 21,251.79 : x
  2. Step 2: Convert to fraction form
    23,133.98/34,714.79 = 21,251.79/x
  3. Step 3: Cross multiply
    23,133.98x = 34,714.79 × 21,251.79
  4. Step 4: Simplify right side
    23,133.98x = 737,751,530.59
  5. Step 5: Solve for x
    x = 737,751,530.59/23,133.98
  6. Step 6: Final answer
    x = 31,890.39

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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.