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Finding the Fourth Proportional to 18,271.01, 27,454.34 and 15,936.84

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Solution

The fourth proportional to 18,271.01, 27,454.34 and 15,936.84 is: 23,946.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,271.01 : 27,454.34 = 15,936.84 : x
  2. Step 2: Convert to fraction form
    18,271.01/27,454.34 = 15,936.84/x
  3. Step 3: Cross multiply
    18,271.01x = 27,454.34 × 15,936.84
  4. Step 4: Simplify right side
    18,271.01x = 437,535,463.73
  5. Step 5: Solve for x
    x = 437,535,463.73/18,271.01
  6. Step 6: Final answer
    x = 23,946.97

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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.