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Finding the Fourth Proportional to 29,489.63, 44,241.93 and 8,713.13

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Solution

The fourth proportional to 29,489.63, 44,241.93 and 8,713.13 is: 13,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,489.63 : 44,241.93 = 8,713.13 : x
  2. Step 2: Convert to fraction form
    29,489.63/44,241.93 = 8,713.13/x
  3. Step 3: Cross multiply
    29,489.63x = 44,241.93 × 8,713.13
  4. Step 4: Simplify right side
    29,489.63x = 385,485,466.33
  5. Step 5: Solve for x
    x = 385,485,466.33/29,489.63
  6. Step 6: Final answer
    x = 13,071.90

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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.