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Finding the Fourth Proportional to 18,266.94, 27,444.12 and 11,705.94

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Solution

The fourth proportional to 18,266.94, 27,444.12 and 11,705.94 is: 17,586.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.94 : 27,444.12 = 11,705.94 : x
  2. Step 2: Convert to fraction form
    18,266.94/27,444.12 = 11,705.94/x
  3. Step 3: Cross multiply
    18,266.94x = 27,444.12 × 11,705.94
  4. Step 4: Simplify right side
    18,266.94x = 321,259,222.07
  5. Step 5: Solve for x
    x = 321,259,222.07/18,266.94
  6. Step 6: Final answer
    x = 17,586.92

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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.