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Finding the Fourth Proportional to 41,179.84, 61,769.76 and 11,597.68

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Solution

The fourth proportional to 41,179.84, 61,769.76 and 11,597.68 is: 17,396.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,179.84 : 61,769.76 = 11,597.68 : x
  2. Step 2: Convert to fraction form
    41,179.84/61,769.76 = 11,597.68/x
  3. Step 3: Cross multiply
    41,179.84x = 61,769.76 × 11,597.68
  4. Step 4: Simplify right side
    41,179.84x = 716,385,910.16
  5. Step 5: Solve for x
    x = 716,385,910.16/41,179.84
  6. Step 6: Final answer
    x = 17,396.52

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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.