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Finding the Fourth Proportional to 25,954.22, 38,919.03 and 11,157.12

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Solution

The fourth proportional to 25,954.22, 38,919.03 and 11,157.12 is: 16,730.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,954.22 : 38,919.03 = 11,157.12 : x
  2. Step 2: Convert to fraction form
    25,954.22/38,919.03 = 11,157.12/x
  3. Step 3: Cross multiply
    25,954.22x = 38,919.03 × 11,157.12
  4. Step 4: Simplify right side
    25,954.22x = 434,224,199.45
  5. Step 5: Solve for x
    x = 434,224,199.45/25,954.22
  6. Step 6: Final answer
    x = 16,730.39

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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.