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Finding the Fourth Proportional to 29,938.68, 44,910.72 and 7,751.97

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Solution

The fourth proportional to 29,938.68, 44,910.72 and 7,751.97 is: 11,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,938.68 : 44,910.72 = 7,751.97 : x
  2. Step 2: Convert to fraction form
    29,938.68/44,910.72 = 7,751.97/x
  3. Step 3: Cross multiply
    29,938.68x = 44,910.72 × 7,751.97
  4. Step 4: Simplify right side
    29,938.68x = 348,146,554.12
  5. Step 5: Solve for x
    x = 348,146,554.12/29,938.68
  6. Step 6: Final answer
    x = 11,628.65

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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.