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Finding the Fourth Proportional to 17,277.90, 25,916.97 and 7,408.86

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Solution

The fourth proportional to 17,277.90, 25,916.97 and 7,408.86 is: 11,113.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,277.90 : 25,916.97 = 7,408.86 : x
  2. Step 2: Convert to fraction form
    17,277.90/25,916.97 = 7,408.86/x
  3. Step 3: Cross multiply
    17,277.90x = 25,916.97 × 7,408.86
  4. Step 4: Simplify right side
    17,277.90x = 192,015,202.35
  5. Step 5: Solve for x
    x = 192,015,202.35/17,277.90
  6. Step 6: Final answer
    x = 11,113.34

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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.