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Finding the Fourth Proportional to 36,246, 50,019.57 and 21,149.04

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Solution

The fourth proportional to 36,246, 50,019.57 and 21,149.04 is: 29,185.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,246 : 50,019.57 = 21,149.04 : x
  2. Step 2: Convert to fraction form
    36,246/50,019.57 = 21,149.04/x
  3. Step 3: Cross multiply
    36,246x = 50,019.57 × 21,149.04
  4. Step 4: Simplify right side
    36,246x = 1,057,865,886.71
  5. Step 5: Solve for x
    x = 1,057,865,886.71/36,246
  6. Step 6: Final answer
    x = 29,185.73

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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.