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Finding the Fourth Proportional to 41,448.67, 62,154.74 and 11,859.79

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Solution

The fourth proportional to 41,448.67, 62,154.74 and 11,859.79 is: 17,784.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,448.67 : 62,154.74 = 11,859.79 : x
  2. Step 2: Convert to fraction form
    41,448.67/62,154.74 = 11,859.79/x
  3. Step 3: Cross multiply
    41,448.67x = 62,154.74 × 11,859.79
  4. Step 4: Simplify right side
    41,448.67x = 737,142,104.61
  5. Step 5: Solve for x
    x = 737,142,104.61/41,448.67
  6. Step 6: Final answer
    x = 17,784.46

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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.