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Finding the Fourth Proportional to 23,993.97, 33,104.34 and 13,918.92

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Solution

The fourth proportional to 23,993.97, 33,104.34 and 13,918.92 is: 19,203.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,993.97 : 33,104.34 = 13,918.92 : x
  2. Step 2: Convert to fraction form
    23,993.97/33,104.34 = 13,918.92/x
  3. Step 3: Cross multiply
    23,993.97x = 33,104.34 × 13,918.92
  4. Step 4: Simplify right side
    23,993.97x = 460,776,660.11
  5. Step 5: Solve for x
    x = 460,776,660.11/23,993.97
  6. Step 6: Final answer
    x = 19,203.85

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Half scale
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Double scale
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Similar ratio
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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.