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Finding the Fourth Proportional to 25,832.89, 38,755.86 and 7,364.89

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Solution

The fourth proportional to 25,832.89, 38,755.86 and 7,364.89 is: 11,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,832.89 : 38,755.86 = 7,364.89 : x
  2. Step 2: Convert to fraction form
    25,832.89/38,755.86 = 7,364.89/x
  3. Step 3: Cross multiply
    25,832.89x = 38,755.86 × 7,364.89
  4. Step 4: Simplify right side
    25,832.89x = 285,432,645.76
  5. Step 5: Solve for x
    x = 285,432,645.76/25,832.89
  6. Step 6: Final answer
    x = 11,049.20

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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.