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Finding the Fourth Proportional to 29,991.25, 41,387.93 and 16,743.25

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Solution

The fourth proportional to 29,991.25, 41,387.93 and 16,743.25 is: 23,105.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,991.25 : 41,387.93 = 16,743.25 : x
  2. Step 2: Convert to fraction form
    29,991.25/41,387.93 = 16,743.25/x
  3. Step 3: Cross multiply
    29,991.25x = 41,387.93 × 16,743.25
  4. Step 4: Simplify right side
    29,991.25x = 692,968,458.97
  5. Step 5: Solve for x
    x = 692,968,458.97/29,991.25
  6. Step 6: Final answer
    x = 23,105.69

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1.5x scale

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.