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Finding the Fourth Proportional to 29,433.96, 40,638.40 and 22,615.82

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Solution

The fourth proportional to 29,433.96, 40,638.40 and 22,615.82 is: 31,224.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,433.96 : 40,638.40 = 22,615.82 : x
  2. Step 2: Convert to fraction form
    29,433.96/40,638.40 = 22,615.82/x
  3. Step 3: Cross multiply
    29,433.96x = 40,638.40 × 22,615.82
  4. Step 4: Simplify right side
    29,433.96x = 919,070,739.49
  5. Step 5: Solve for x
    x = 919,070,739.49/29,433.96
  6. Step 6: Final answer
    x = 31,224.84

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