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Finding the Fourth Proportional to 29,007.45, 43,489.89 and 9,274.64

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Solution

The fourth proportional to 29,007.45, 43,489.89 and 9,274.64 is: 13,905.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,007.45 : 43,489.89 = 9,274.64 : x
  2. Step 2: Convert to fraction form
    29,007.45/43,489.89 = 9,274.64/x
  3. Step 3: Cross multiply
    29,007.45x = 43,489.89 × 9,274.64
  4. Step 4: Simplify right side
    29,007.45x = 403,352,855.94
  5. Step 5: Solve for x
    x = 403,352,855.94/29,007.45
  6. Step 6: Final answer
    x = 13,905.15

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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.