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Finding the Fourth Proportional to 19,551.16, 26,975.70 and 11,593

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Solution

The fourth proportional to 19,551.16, 26,975.70 and 11,593 is: 15,995.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,551.16 : 26,975.70 = 11,593 : x
  2. Step 2: Convert to fraction form
    19,551.16/26,975.70 = 11,593/x
  3. Step 3: Cross multiply
    19,551.16x = 26,975.70 × 11,593
  4. Step 4: Simplify right side
    19,551.16x = 312,729,290.10
  5. Step 5: Solve for x
    x = 312,729,290.10/19,551.16
  6. Step 6: Final answer
    x = 15,995.43

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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.