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Finding the Fourth Proportional to 36,689.96, 55,028.30 and 16,694.74

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Solution

The fourth proportional to 36,689.96, 55,028.30 and 16,694.74 is: 25,039.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,689.96 : 55,028.30 = 16,694.74 : x
  2. Step 2: Convert to fraction form
    36,689.96/55,028.30 = 16,694.74/x
  3. Step 3: Cross multiply
    36,689.96x = 55,028.30 × 16,694.74
  4. Step 4: Simplify right side
    36,689.96x = 918,683,161.14
  5. Step 5: Solve for x
    x = 918,683,161.14/36,689.96
  6. Step 6: Final answer
    x = 25,039.09

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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.