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Finding the Fourth Proportional to 14,251.59, 21,375.09 and 4,891.23

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Solution

The fourth proportional to 14,251.59, 21,375.09 and 4,891.23 is: 7,336.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.59 : 21,375.09 = 4,891.23 : x
  2. Step 2: Convert to fraction form
    14,251.59/21,375.09 = 4,891.23/x
  3. Step 3: Cross multiply
    14,251.59x = 21,375.09 × 4,891.23
  4. Step 4: Simplify right side
    14,251.59x = 104,550,481.46
  5. Step 5: Solve for x
    x = 104,550,481.46/14,251.59
  6. Step 6: Final answer
    x = 7,336.06

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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.