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Finding the Fourth Proportional to 19,604.70, 27,060 and 16,076.34

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Solution

The fourth proportional to 19,604.70, 27,060 and 16,076.34 is: 22,189.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,604.70 : 27,060 = 16,076.34 : x
  2. Step 2: Convert to fraction form
    19,604.70/27,060 = 16,076.34/x
  3. Step 3: Cross multiply
    19,604.70x = 27,060 × 16,076.34
  4. Step 4: Simplify right side
    19,604.70x = 435,025,760.40
  5. Step 5: Solve for x
    x = 435,025,760.40/19,604.70
  6. Step 6: Final answer
    x = 22,189.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.