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Finding the Fourth Proportional to 69,472.96, 104,348.93 and 41,447.69

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Solution

The fourth proportional to 69,472.96, 104,348.93 and 41,447.69 is: 62,254.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,472.96 : 104,348.93 = 41,447.69 : x
  2. Step 2: Convert to fraction form
    69,472.96/104,348.93 = 41,447.69/x
  3. Step 3: Cross multiply
    69,472.96x = 104,348.93 × 41,447.69
  4. Step 4: Simplify right side
    69,472.96x = 4,325,021,373.49
  5. Step 5: Solve for x
    x = 4,325,021,373.49/69,472.96
  6. Step 6: Final answer
    x = 62,254.75

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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.