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Finding the Fourth Proportional to 16,290.89, 24,558.41 and 15,205.89

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Solution

The fourth proportional to 16,290.89, 24,558.41 and 15,205.89 is: 22,922.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,290.89 : 24,558.41 = 15,205.89 : x
  2. Step 2: Convert to fraction form
    16,290.89/24,558.41 = 15,205.89/x
  3. Step 3: Cross multiply
    16,290.89x = 24,558.41 × 15,205.89
  4. Step 4: Simplify right side
    16,290.89x = 373,432,481.03
  5. Step 5: Solve for x
    x = 373,432,481.03/16,290.89
  6. Step 6: Final answer
    x = 22,922.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.