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Finding the Fourth Proportional to 17,954.33, 26,931.49 and 4,808.03

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Solution

The fourth proportional to 17,954.33, 26,931.49 and 4,808.03 is: 7,212.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,954.33 : 26,931.49 = 4,808.03 : x
  2. Step 2: Convert to fraction form
    17,954.33/26,931.49 = 4,808.03/x
  3. Step 3: Cross multiply
    17,954.33x = 26,931.49 × 4,808.03
  4. Step 4: Simplify right side
    17,954.33x = 129,487,265.19
  5. Step 5: Solve for x
    x = 129,487,265.19/17,954.33
  6. Step 6: Final answer
    x = 7,212.04

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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.