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Finding the Fourth Proportional to 17,359.43, 26,040.36 and 8,591.99

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Solution

The fourth proportional to 17,359.43, 26,040.36 and 8,591.99 is: 12,888.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,359.43 : 26,040.36 = 8,591.99 : x
  2. Step 2: Convert to fraction form
    17,359.43/26,040.36 = 8,591.99/x
  3. Step 3: Cross multiply
    17,359.43x = 26,040.36 × 8,591.99
  4. Step 4: Simplify right side
    17,359.43x = 223,738,382.51
  5. Step 5: Solve for x
    x = 223,738,382.51/17,359.43
  6. Step 6: Final answer
    x = 12,888.58

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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.