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Finding the Fourth Proportional to 33,342, 50,013.48 and 8,718

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Solution

The fourth proportional to 33,342, 50,013.48 and 8,718 is: 13,077.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,342 : 50,013.48 = 8,718 : x
  2. Step 2: Convert to fraction form
    33,342/50,013.48 = 8,718/x
  3. Step 3: Cross multiply
    33,342x = 50,013.48 × 8,718
  4. Step 4: Simplify right side
    33,342x = 436,017,518.64
  5. Step 5: Solve for x
    x = 436,017,518.64/33,342
  6. Step 6: Final answer
    x = 13,077.13

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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.