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Finding the Fourth Proportional to 16,620.50, 25,045.42 and 15,060.44

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Solution

The fourth proportional to 16,620.50, 25,045.42 and 15,060.44 is: 22,694.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,620.50 : 25,045.42 = 15,060.44 : x
  2. Step 2: Convert to fraction form
    16,620.50/25,045.42 = 15,060.44/x
  3. Step 3: Cross multiply
    16,620.50x = 25,045.42 × 15,060.44
  4. Step 4: Simplify right side
    16,620.50x = 377,195,045.18
  5. Step 5: Solve for x
    x = 377,195,045.18/16,620.50
  6. Step 6: Final answer
    x = 22,694.57

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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.