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Finding the Fourth Proportional to 17,955.98, 26,939.46 and 9,197.09

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Solution

The fourth proportional to 17,955.98, 26,939.46 and 9,197.09 is: 13,798.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,955.98 : 26,939.46 = 9,197.09 : x
  2. Step 2: Convert to fraction form
    17,955.98/26,939.46 = 9,197.09/x
  3. Step 3: Cross multiply
    17,955.98x = 26,939.46 × 9,197.09
  4. Step 4: Simplify right side
    17,955.98x = 247,764,638.17
  5. Step 5: Solve for x
    x = 247,764,638.17/17,955.98
  6. Step 6: Final answer
    x = 13,798.45

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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.