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Finding the Fourth Proportional to 39,741.40, 59,655.30 and 22,245.40

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Solution

The fourth proportional to 39,741.40, 59,655.30 and 22,245.40 is: 33,392.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,741.40 : 59,655.30 = 22,245.40 : x
  2. Step 2: Convert to fraction form
    39,741.40/59,655.30 = 22,245.40/x
  3. Step 3: Cross multiply
    39,741.40x = 59,655.30 × 22,245.40
  4. Step 4: Simplify right side
    39,741.40x = 1,327,056,010.62
  5. Step 5: Solve for x
    x = 1,327,056,010.62/39,741.40
  6. Step 6: Final answer
    x = 33,392.28

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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.