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Finding the Fourth Proportional to 33,340, 50,010.48 and 8,716

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Solution

The fourth proportional to 33,340, 50,010.48 and 8,716 is: 13,074.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,340 : 50,010.48 = 8,716 : x
  2. Step 2: Convert to fraction form
    33,340/50,010.48 = 8,716/x
  3. Step 3: Cross multiply
    33,340x = 50,010.48 × 8,716
  4. Step 4: Simplify right side
    33,340x = 435,891,343.68
  5. Step 5: Solve for x
    x = 435,891,343.68/33,340
  6. Step 6: Final answer
    x = 13,074.13

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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.