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Finding the Fourth Proportional to 19,617.12, 27,068.58 and 11,232

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Solution

The fourth proportional to 19,617.12, 27,068.58 and 11,232 is: 15,498.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.12 : 27,068.58 = 11,232 : x
  2. Step 2: Convert to fraction form
    19,617.12/27,068.58 = 11,232/x
  3. Step 3: Cross multiply
    19,617.12x = 27,068.58 × 11,232
  4. Step 4: Simplify right side
    19,617.12x = 304,034,290.56
  5. Step 5: Solve for x
    x = 304,034,290.56/19,617.12
  6. Step 6: Final answer
    x = 15,498.42

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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.