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Finding the Fourth Proportional to 29,791.74, 44,619.54 and 14,220.30

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Solution

The fourth proportional to 29,791.74, 44,619.54 and 14,220.30 is: 21,297.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,791.74 : 44,619.54 = 14,220.30 : x
  2. Step 2: Convert to fraction form
    29,791.74/44,619.54 = 14,220.30/x
  3. Step 3: Cross multiply
    29,791.74x = 44,619.54 × 14,220.30
  4. Step 4: Simplify right side
    29,791.74x = 634,503,244.66
  5. Step 5: Solve for x
    x = 634,503,244.66/29,791.74
  6. Step 6: Final answer
    x = 21,297.96

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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.