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Finding the Fourth Proportional to 17,393.25, 26,089.88 and 8,159.25

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Solution

The fourth proportional to 17,393.25, 26,089.88 and 8,159.25 is: 12,238.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,393.25 : 26,089.88 = 8,159.25 : x
  2. Step 2: Convert to fraction form
    17,393.25/26,089.88 = 8,159.25/x
  3. Step 3: Cross multiply
    17,393.25x = 26,089.88 × 8,159.25
  4. Step 4: Simplify right side
    17,393.25x = 212,873,812.59
  5. Step 5: Solve for x
    x = 212,873,812.59/17,393.25
  6. Step 6: Final answer
    x = 12,238.88

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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.