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Finding the Fourth Proportional to 25,161.96, 37,759.32 and 9,579.72

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Solution

The fourth proportional to 25,161.96, 37,759.32 and 9,579.72 is: 14,375.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,161.96 : 37,759.32 = 9,579.72 : x
  2. Step 2: Convert to fraction form
    25,161.96/37,759.32 = 9,579.72/x
  3. Step 3: Cross multiply
    25,161.96x = 37,759.32 × 9,579.72
  4. Step 4: Simplify right side
    25,161.96x = 361,723,712.99
  5. Step 5: Solve for x
    x = 361,723,712.99/25,161.96
  6. Step 6: Final answer
    x = 14,375.82

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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.