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Finding the Fourth Proportional to 11,434.72, 17,152.08 and 3,226.72

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Solution

The fourth proportional to 11,434.72, 17,152.08 and 3,226.72 is: 4,840.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,434.72 : 17,152.08 = 3,226.72 : x
  2. Step 2: Convert to fraction form
    11,434.72/17,152.08 = 3,226.72/x
  3. Step 3: Cross multiply
    11,434.72x = 17,152.08 × 3,226.72
  4. Step 4: Simplify right side
    11,434.72x = 55,344,959.58
  5. Step 5: Solve for x
    x = 55,344,959.58/11,434.72
  6. Step 6: Final answer
    x = 4,840.08

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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.