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Finding the Fourth Proportional to 26,555.52, 39,822 and 11,754

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Solution

The fourth proportional to 26,555.52, 39,822 and 11,754 is: 17,626.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,555.52 : 39,822 = 11,754 : x
  2. Step 2: Convert to fraction form
    26,555.52/39,822 = 11,754/x
  3. Step 3: Cross multiply
    26,555.52x = 39,822 × 11,754
  4. Step 4: Simplify right side
    26,555.52x = 468,067,788
  5. Step 5: Solve for x
    x = 468,067,788/26,555.52
  6. Step 6: Final answer
    x = 17,626.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.