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Finding the Fourth Proportional to 16,595.75, 22,879.76 and 16,079.78

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Solution

The fourth proportional to 16,595.75, 22,879.76 and 16,079.78 is: 22,168.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,595.75 : 22,879.76 = 16,079.78 : x
  2. Step 2: Convert to fraction form
    16,595.75/22,879.76 = 16,079.78/x
  3. Step 3: Cross multiply
    16,595.75x = 22,879.76 × 16,079.78
  4. Step 4: Simplify right side
    16,595.75x = 367,901,484.05
  5. Step 5: Solve for x
    x = 367,901,484.05/16,595.75
  6. Step 6: Final answer
    x = 22,168.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.