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Finding the Fourth Proportional to 63,915.53, 95,872.86 and 19,542.11

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Solution

The fourth proportional to 63,915.53, 95,872.86 and 19,542.11 is: 29,313.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,915.53 : 95,872.86 = 19,542.11 : x
  2. Step 2: Convert to fraction form
    63,915.53/95,872.86 = 19,542.11/x
  3. Step 3: Cross multiply
    63,915.53x = 95,872.86 × 19,542.11
  4. Step 4: Simplify right side
    63,915.53x = 1,873,557,496.77
  5. Step 5: Solve for x
    x = 1,873,557,496.77/63,915.53
  6. Step 6: Final answer
    x = 29,313.03

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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.