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Finding the Fourth Proportional to 38,539.88, 57,809.82 and 10,837.88

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Solution

The fourth proportional to 38,539.88, 57,809.82 and 10,837.88 is: 16,256.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,539.88 : 57,809.82 = 10,837.88 : x
  2. Step 2: Convert to fraction form
    38,539.88/57,809.82 = 10,837.88/x
  3. Step 3: Cross multiply
    38,539.88x = 57,809.82 × 10,837.88
  4. Step 4: Simplify right side
    38,539.88x = 626,535,891.98
  5. Step 5: Solve for x
    x = 626,535,891.98/38,539.88
  6. Step 6: Final answer
    x = 16,256.82

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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.