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Finding the Fourth Proportional to 17,672.94, 26,509.17 and 5,986.26

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Solution

The fourth proportional to 17,672.94, 26,509.17 and 5,986.26 is: 8,979.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,672.94 : 26,509.17 = 5,986.26 : x
  2. Step 2: Convert to fraction form
    17,672.94/26,509.17 = 5,986.26/x
  3. Step 3: Cross multiply
    17,672.94x = 26,509.17 × 5,986.26
  4. Step 4: Simplify right side
    17,672.94x = 158,690,784.00
  5. Step 5: Solve for x
    x = 158,690,784.00/17,672.94
  6. Step 6: Final answer
    x = 8,979.31

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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.