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Finding the Fourth Proportional to 29,481.88, 44,222.72 and 11,951.66

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Solution

The fourth proportional to 29,481.88, 44,222.72 and 11,951.66 is: 17,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,481.88 : 44,222.72 = 11,951.66 : x
  2. Step 2: Convert to fraction form
    29,481.88/44,222.72 = 11,951.66/x
  3. Step 3: Cross multiply
    29,481.88x = 44,222.72 × 11,951.66
  4. Step 4: Simplify right side
    29,481.88x = 528,534,913.72
  5. Step 5: Solve for x
    x = 528,534,913.72/29,481.88
  6. Step 6: Final answer
    x = 17,927.45

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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.