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Finding the Fourth Proportional to 60,676.69, 91,056.02 and 21,234.14

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Solution

The fourth proportional to 60,676.69, 91,056.02 and 21,234.14 is: 31,865.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,676.69 : 91,056.02 = 21,234.14 : x
  2. Step 2: Convert to fraction form
    60,676.69/91,056.02 = 21,234.14/x
  3. Step 3: Cross multiply
    60,676.69x = 91,056.02 × 21,234.14
  4. Step 4: Simplify right side
    60,676.69x = 1,933,496,170.35
  5. Step 5: Solve for x
    x = 1,933,496,170.35/60,676.69
  6. Step 6: Final answer
    x = 31,865.55

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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.