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Finding the Fourth Proportional to 17,813.25, 26,718.93 and 9,047.97

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Solution

The fourth proportional to 17,813.25, 26,718.93 and 9,047.97 is: 13,571.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,813.25 : 26,718.93 = 9,047.97 : x
  2. Step 2: Convert to fraction form
    17,813.25/26,718.93 = 9,047.97/x
  3. Step 3: Cross multiply
    17,813.25x = 26,718.93 × 9,047.97
  4. Step 4: Simplify right side
    17,813.25x = 241,752,077.07
  5. Step 5: Solve for x
    x = 241,752,077.07/17,813.25
  6. Step 6: Final answer
    x = 13,571.48

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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.