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Finding the Fourth Proportional to 11,953.56, 17,934.12 and 5,629.08

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Solution

The fourth proportional to 11,953.56, 17,934.12 and 5,629.08 is: 8,445.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,953.56 : 17,934.12 = 5,629.08 : x
  2. Step 2: Convert to fraction form
    11,953.56/17,934.12 = 5,629.08/x
  3. Step 3: Cross multiply
    11,953.56x = 17,934.12 × 5,629.08
  4. Step 4: Simplify right side
    11,953.56x = 100,952,596.21
  5. Step 5: Solve for x
    x = 100,952,596.21/11,953.56
  6. Step 6: Final answer
    x = 8,445.40

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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.