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Finding the Fourth Proportional to 29,608.89, 44,407.88 and 12,965.82

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Solution

The fourth proportional to 29,608.89, 44,407.88 and 12,965.82 is: 19,446.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,608.89 : 44,407.88 = 12,965.82 : x
  2. Step 2: Convert to fraction form
    29,608.89/44,407.88 = 12,965.82/x
  3. Step 3: Cross multiply
    29,608.89x = 44,407.88 × 12,965.82
  4. Step 4: Simplify right side
    29,608.89x = 575,784,578.66
  5. Step 5: Solve for x
    x = 575,784,578.66/29,608.89
  6. Step 6: Final answer
    x = 19,446.34

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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.