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Finding the Fourth Proportional to 14,452.79, 19,944.77 and 8,079.38

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Solution

The fourth proportional to 14,452.79, 19,944.77 and 8,079.38 is: 11,149.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,452.79 : 19,944.77 = 8,079.38 : x
  2. Step 2: Convert to fraction form
    14,452.79/19,944.77 = 8,079.38/x
  3. Step 3: Cross multiply
    14,452.79x = 19,944.77 × 8,079.38
  4. Step 4: Simplify right side
    14,452.79x = 161,141,235.72
  5. Step 5: Solve for x
    x = 161,141,235.72/14,452.79
  6. Step 6: Final answer
    x = 11,149.49

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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.