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Finding the Fourth Proportional to 29,301.67, 43,955.10 and 8,241.90

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Solution

The fourth proportional to 29,301.67, 43,955.10 and 8,241.90 is: 12,363.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,301.67 : 43,955.10 = 8,241.90 : x
  2. Step 2: Convert to fraction form
    29,301.67/43,955.10 = 8,241.90/x
  3. Step 3: Cross multiply
    29,301.67x = 43,955.10 × 8,241.90
  4. Step 4: Simplify right side
    29,301.67x = 362,273,538.69
  5. Step 5: Solve for x
    x = 362,273,538.69/29,301.67
  6. Step 6: Final answer
    x = 12,363.58

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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.