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Finding the Fourth Proportional to 43,615.44, 60,128.84 and 29,445.84

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Solution

The fourth proportional to 43,615.44, 60,128.84 and 29,445.84 is: 40,594.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,615.44 : 60,128.84 = 29,445.84 : x
  2. Step 2: Convert to fraction form
    43,615.44/60,128.84 = 29,445.84/x
  3. Step 3: Cross multiply
    43,615.44x = 60,128.84 × 29,445.84
  4. Step 4: Simplify right side
    43,615.44x = 1,770,544,202.03
  5. Step 5: Solve for x
    x = 1,770,544,202.03/43,615.44
  6. Step 6: Final answer
    x = 40,594.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.