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Finding the Fourth Proportional to 45,865.48, 68,775.42 and 14,696.68

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Solution

The fourth proportional to 45,865.48, 68,775.42 and 14,696.68 is: 22,037.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,865.48 : 68,775.42 = 14,696.68 : x
  2. Step 2: Convert to fraction form
    45,865.48/68,775.42 = 14,696.68/x
  3. Step 3: Cross multiply
    45,865.48x = 68,775.42 × 14,696.68
  4. Step 4: Simplify right side
    45,865.48x = 1,010,770,339.61
  5. Step 5: Solve for x
    x = 1,010,770,339.61/45,865.48
  6. Step 6: Final answer
    x = 22,037.71

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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.