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Finding the Fourth Proportional to 29,281.66, 43,930.80 and 11,763.80

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Solution

The fourth proportional to 29,281.66, 43,930.80 and 11,763.80 is: 17,649.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,281.66 : 43,930.80 = 11,763.80 : x
  2. Step 2: Convert to fraction form
    29,281.66/43,930.80 = 11,763.80/x
  3. Step 3: Cross multiply
    29,281.66x = 43,930.80 × 11,763.80
  4. Step 4: Simplify right side
    29,281.66x = 516,793,145.04
  5. Step 5: Solve for x
    x = 516,793,145.04/29,281.66
  6. Step 6: Final answer
    x = 17,649.04

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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.