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Finding the Fourth Proportional to 29,690.74, 40,961.46 and 17,749.72

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Solution

The fourth proportional to 29,690.74, 40,961.46 and 17,749.72 is: 24,487.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,690.74 : 40,961.46 = 17,749.72 : x
  2. Step 2: Convert to fraction form
    29,690.74/40,961.46 = 17,749.72/x
  3. Step 3: Cross multiply
    29,690.74x = 40,961.46 × 17,749.72
  4. Step 4: Simplify right side
    29,690.74x = 727,054,445.79
  5. Step 5: Solve for x
    x = 727,054,445.79/29,690.74
  6. Step 6: Final answer
    x = 24,487.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.