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Finding the Fourth Proportional to 17,393.06, 26,089.60 and 8,619.14

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Solution

The fourth proportional to 17,393.06, 26,089.60 and 8,619.14 is: 12,928.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,393.06 : 26,089.60 = 8,619.14 : x
  2. Step 2: Convert to fraction form
    17,393.06/26,089.60 = 8,619.14/x
  3. Step 3: Cross multiply
    17,393.06x = 26,089.60 × 8,619.14
  4. Step 4: Simplify right side
    17,393.06x = 224,869,914.94
  5. Step 5: Solve for x
    x = 224,869,914.94/17,393.06
  6. Step 6: Final answer
    x = 12,928.71

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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.