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Finding the Fourth Proportional to 17,754.58, 26,628.22 and 8,390.62

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Solution

The fourth proportional to 17,754.58, 26,628.22 and 8,390.62 is: 12,584.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,754.58 : 26,628.22 = 8,390.62 : x
  2. Step 2: Convert to fraction form
    17,754.58/26,628.22 = 8,390.62/x
  3. Step 3: Cross multiply
    17,754.58x = 26,628.22 × 8,390.62
  4. Step 4: Simplify right side
    17,754.58x = 223,427,275.30
  5. Step 5: Solve for x
    x = 223,427,275.30/17,754.58
  6. Step 6: Final answer
    x = 12,584.21

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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.