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Finding the Fourth Proportional to 19,551.96, 26,975.16 and 11,052.96

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Solution

The fourth proportional to 19,551.96, 26,975.16 and 11,052.96 is: 15,249.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,551.96 : 26,975.16 = 11,052.96 : x
  2. Step 2: Convert to fraction form
    19,551.96/26,975.16 = 11,052.96/x
  3. Step 3: Cross multiply
    19,551.96x = 26,975.16 × 11,052.96
  4. Step 4: Simplify right side
    19,551.96x = 298,155,364.47
  5. Step 5: Solve for x
    x = 298,155,364.47/19,551.96
  6. Step 6: Final answer
    x = 15,249.38

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Why These Related Problems?

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