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Finding the Fourth Proportional to 62,514.88, 93,772.32 and 18,738.88

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Solution

The fourth proportional to 62,514.88, 93,772.32 and 18,738.88 is: 28,108.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,514.88 : 93,772.32 = 18,738.88 : x
  2. Step 2: Convert to fraction form
    62,514.88/93,772.32 = 18,738.88/x
  3. Step 3: Cross multiply
    62,514.88x = 93,772.32 × 18,738.88
  4. Step 4: Simplify right side
    62,514.88x = 1,757,187,689.25
  5. Step 5: Solve for x
    x = 1,757,187,689.25/62,514.88
  6. Step 6: Final answer
    x = 28,108.31

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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.