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Finding the Fourth Proportional to 17,573.58, 26,357.58 and 8,220.09

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Solution

The fourth proportional to 17,573.58, 26,357.58 and 8,220.09 is: 12,328.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,573.58 : 26,357.58 = 8,220.09 : x
  2. Step 2: Convert to fraction form
    17,573.58/26,357.58 = 8,220.09/x
  3. Step 3: Cross multiply
    17,573.58x = 26,357.58 × 8,220.09
  4. Step 4: Simplify right side
    17,573.58x = 216,661,679.78
  5. Step 5: Solve for x
    x = 216,661,679.78/17,573.58
  6. Step 6: Final answer
    x = 12,328.83

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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.