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Finding the Fourth Proportional to 35,954.57, 53,872.25 and 21,872.01

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Solution

The fourth proportional to 35,954.57, 53,872.25 and 21,872.01 is: 32,771.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,954.57 : 53,872.25 = 21,872.01 : x
  2. Step 2: Convert to fraction form
    35,954.57/53,872.25 = 21,872.01/x
  3. Step 3: Cross multiply
    35,954.57x = 53,872.25 × 21,872.01
  4. Step 4: Simplify right side
    35,954.57x = 1,178,294,281.36
  5. Step 5: Solve for x
    x = 1,178,294,281.36/35,954.57
  6. Step 6: Final answer
    x = 32,771.76

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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.