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Finding the Fourth Proportional to 36,641.67, 54,966.53 and 11,675.89

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Solution

The fourth proportional to 36,641.67, 54,966.53 and 11,675.89 is: 17,515.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,641.67 : 54,966.53 = 11,675.89 : x
  2. Step 2: Convert to fraction form
    36,641.67/54,966.53 = 11,675.89/x
  3. Step 3: Cross multiply
    36,641.67x = 54,966.53 × 11,675.89
  4. Step 4: Simplify right side
    36,641.67x = 641,783,157.96
  5. Step 5: Solve for x
    x = 641,783,157.96/36,641.67
  6. Step 6: Final answer
    x = 17,515.12

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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.