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Finding the Fourth Proportional to 17,954.73, 26,919.59 and 7,954.04

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Solution

The fourth proportional to 17,954.73, 26,919.59 and 7,954.04 is: 11,925.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,954.73 : 26,919.59 = 7,954.04 : x
  2. Step 2: Convert to fraction form
    17,954.73/26,919.59 = 7,954.04/x
  3. Step 3: Cross multiply
    17,954.73x = 26,919.59 × 7,954.04
  4. Step 4: Simplify right side
    17,954.73x = 214,119,321.28
  5. Step 5: Solve for x
    x = 214,119,321.28/17,954.73
  6. Step 6: Final answer
    x = 11,925.51

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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.