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Finding the Fourth Proportional to 27,761.88, 41,646.74 and 9,035.90

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Solution

The fourth proportional to 27,761.88, 41,646.74 and 9,035.90 is: 13,555.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,761.88 : 41,646.74 = 9,035.90 : x
  2. Step 2: Convert to fraction form
    27,761.88/41,646.74 = 9,035.90/x
  3. Step 3: Cross multiply
    27,761.88x = 41,646.74 × 9,035.90
  4. Step 4: Simplify right side
    27,761.88x = 376,315,524.55
  5. Step 5: Solve for x
    x = 376,315,524.55/27,761.88
  6. Step 6: Final answer
    x = 13,555.12

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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.