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Finding the Fourth Proportional to 29,009.60, 43,514.44 and 7,948.08

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Solution

The fourth proportional to 29,009.60, 43,514.44 and 7,948.08 is: 11,922.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,009.60 : 43,514.44 = 7,948.08 : x
  2. Step 2: Convert to fraction form
    29,009.60/43,514.44 = 7,948.08/x
  3. Step 3: Cross multiply
    29,009.60x = 43,514.44 × 7,948.08
  4. Step 4: Simplify right side
    29,009.60x = 345,856,250.28
  5. Step 5: Solve for x
    x = 345,856,250.28/29,009.60
  6. Step 6: Final answer
    x = 11,922.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.