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Finding the Fourth Proportional to 18,160.68, 27,204.30 and 16,648.68

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Solution

The fourth proportional to 18,160.68, 27,204.30 and 16,648.68 is: 24,939.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.68 : 27,204.30 = 16,648.68 : x
  2. Step 2: Convert to fraction form
    18,160.68/27,204.30 = 16,648.68/x
  3. Step 3: Cross multiply
    18,160.68x = 27,204.30 × 16,648.68
  4. Step 4: Simplify right side
    18,160.68x = 452,915,685.32
  5. Step 5: Solve for x
    x = 452,915,685.32/18,160.68
  6. Step 6: Final answer
    x = 24,939.36

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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.