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Finding the Fourth Proportional to 50,622.82, 75,893.15 and 21,062.78

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Solution

The fourth proportional to 50,622.82, 75,893.15 and 21,062.78 is: 31,577.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,622.82 : 75,893.15 = 21,062.78 : x
  2. Step 2: Convert to fraction form
    50,622.82/75,893.15 = 21,062.78/x
  3. Step 3: Cross multiply
    50,622.82x = 75,893.15 × 21,062.78
  4. Step 4: Simplify right side
    50,622.82x = 1,598,521,106.65
  5. Step 5: Solve for x
    x = 1,598,521,106.65/50,622.82
  6. Step 6: Final answer
    x = 31,577.08

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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.