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Finding the Fourth Proportional to 17,805.51, 26,669.07 and 15,405.27

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Solution

The fourth proportional to 17,805.51, 26,669.07 and 15,405.27 is: 23,073.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,805.51 : 26,669.07 = 15,405.27 : x
  2. Step 2: Convert to fraction form
    17,805.51/26,669.07 = 15,405.27/x
  3. Step 3: Cross multiply
    17,805.51x = 26,669.07 × 15,405.27
  4. Step 4: Simplify right side
    17,805.51x = 410,844,224.00
  5. Step 5: Solve for x
    x = 410,844,224.00/17,805.51
  6. Step 6: Final answer
    x = 23,073.99

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1.5x scale

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.