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Finding the Fourth Proportional to 41,889.60, 62,780.94 and 19,653.89

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Solution

The fourth proportional to 41,889.60, 62,780.94 and 19,653.89 is: 29,455.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,889.60 : 62,780.94 = 19,653.89 : x
  2. Step 2: Convert to fraction form
    41,889.60/62,780.94 = 19,653.89/x
  3. Step 3: Cross multiply
    41,889.60x = 62,780.94 × 19,653.89
  4. Step 4: Simplify right side
    41,889.60x = 1,233,889,374.95
  5. Step 5: Solve for x
    x = 1,233,889,374.95/41,889.60
  6. Step 6: Final answer
    x = 29,455.74

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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.