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Finding the Fourth Proportional to 53,241.84, 79,815.24 and 22,057.20

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Solution

The fourth proportional to 53,241.84, 79,815.24 and 22,057.20 is: 33,066.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,241.84 : 79,815.24 = 22,057.20 : x
  2. Step 2: Convert to fraction form
    53,241.84/79,815.24 = 22,057.20/x
  3. Step 3: Cross multiply
    53,241.84x = 79,815.24 × 22,057.20
  4. Step 4: Simplify right side
    53,241.84x = 1,760,500,711.73
  5. Step 5: Solve for x
    x = 1,760,500,711.73/53,241.84
  6. Step 6: Final answer
    x = 33,066.11

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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.