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Finding the Fourth Proportional to 16,691.23, 25,035.22 and 4,379.23

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Solution

The fourth proportional to 16,691.23, 25,035.22 and 4,379.23 is: 6,568.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,691.23 : 25,035.22 = 4,379.23 : x
  2. Step 2: Convert to fraction form
    16,691.23/25,035.22 = 4,379.23/x
  3. Step 3: Cross multiply
    16,691.23x = 25,035.22 × 4,379.23
  4. Step 4: Simplify right side
    16,691.23x = 109,634,839.41
  5. Step 5: Solve for x
    x = 109,634,839.41/16,691.23
  6. Step 6: Final answer
    x = 6,568.41

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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.