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Finding the Fourth Proportional to 69,524.89, 104,281.89 and 19,602.97

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Solution

The fourth proportional to 69,524.89, 104,281.89 and 19,602.97 is: 29,402.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,524.89 : 104,281.89 = 19,602.97 : x
  2. Step 2: Convert to fraction form
    69,524.89/104,281.89 = 19,602.97/x
  3. Step 3: Cross multiply
    69,524.89x = 104,281.89 × 19,602.97
  4. Step 4: Simplify right side
    69,524.89x = 2,044,234,761.21
  5. Step 5: Solve for x
    x = 2,044,234,761.21/69,524.89
  6. Step 6: Final answer
    x = 29,402.92

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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.