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Finding the Fourth Proportional to 17,212.26, 25,819.63 and 7,206.94

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Solution

The fourth proportional to 17,212.26, 25,819.63 and 7,206.94 is: 10,810.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,212.26 : 25,819.63 = 7,206.94 : x
  2. Step 2: Convert to fraction form
    17,212.26/25,819.63 = 7,206.94/x
  3. Step 3: Cross multiply
    17,212.26x = 25,819.63 × 7,206.94
  4. Step 4: Simplify right side
    17,212.26x = 186,080,359.10
  5. Step 5: Solve for x
    x = 186,080,359.10/17,212.26
  6. Step 6: Final answer
    x = 10,810.92

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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.