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Finding the Fourth Proportional to 36,689.13, 50,630.81 and 19,922.13

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Solution

The fourth proportional to 36,689.13, 50,630.81 and 19,922.13 is: 27,492.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,689.13 : 50,630.81 = 19,922.13 : x
  2. Step 2: Convert to fraction form
    36,689.13/50,630.81 = 19,922.13/x
  3. Step 3: Cross multiply
    36,689.13x = 50,630.81 × 19,922.13
  4. Step 4: Simplify right side
    36,689.13x = 1,008,673,479.21
  5. Step 5: Solve for x
    x = 1,008,673,479.21/36,689.13
  6. Step 6: Final answer
    x = 27,492.43

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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.