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Finding the Fourth Proportional to 52,953.90, 79,449.07 and 33,209.34

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Solution

The fourth proportional to 52,953.90, 79,449.07 and 33,209.34 is: 49,825.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,953.90 : 79,449.07 = 33,209.34 : x
  2. Step 2: Convert to fraction form
    52,953.90/79,449.07 = 33,209.34/x
  3. Step 3: Cross multiply
    52,953.90x = 79,449.07 × 33,209.34
  4. Step 4: Simplify right side
    52,953.90x = 2,638,450,781.07
  5. Step 5: Solve for x
    x = 2,638,450,781.07/52,953.90
  6. Step 6: Final answer
    x = 49,825.43

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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.