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Finding the Fourth Proportional to 36,632.88, 54,948.72 and 11,672.59

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Solution

The fourth proportional to 36,632.88, 54,948.72 and 11,672.59 is: 17,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,632.88 : 54,948.72 = 11,672.59 : x
  2. Step 2: Convert to fraction form
    36,632.88/54,948.72 = 11,672.59/x
  3. Step 3: Cross multiply
    36,632.88x = 54,948.72 × 11,672.59
  4. Step 4: Simplify right side
    36,632.88x = 641,394,088.00
  5. Step 5: Solve for x
    x = 641,394,088.00/36,632.88
  6. Step 6: Final answer
    x = 17,508.70

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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.