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Finding the Fourth Proportional to 27,605.88, 41,415.43 and 8,887.67

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Solution

The fourth proportional to 27,605.88, 41,415.43 and 8,887.67 is: 13,333.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,605.88 : 41,415.43 = 8,887.67 : x
  2. Step 2: Convert to fraction form
    27,605.88/41,415.43 = 8,887.67/x
  3. Step 3: Cross multiply
    27,605.88x = 41,415.43 × 8,887.67
  4. Step 4: Simplify right side
    27,605.88x = 368,086,475.95
  5. Step 5: Solve for x
    x = 368,086,475.95/27,605.88
  6. Step 6: Final answer
    x = 13,333.63

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1.5x scale

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.