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Finding the Fourth Proportional to 29,305.75, 43,948.76 and 9,579.69

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Solution

The fourth proportional to 29,305.75, 43,948.76 and 9,579.69 is: 14,366.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,305.75 : 43,948.76 = 9,579.69 : x
  2. Step 2: Convert to fraction form
    29,305.75/43,948.76 = 9,579.69/x
  3. Step 3: Cross multiply
    29,305.75x = 43,948.76 × 9,579.69
  4. Step 4: Simplify right side
    29,305.75x = 421,015,496.68
  5. Step 5: Solve for x
    x = 421,015,496.68/29,305.75
  6. Step 6: Final answer
    x = 14,366.31

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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.