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Finding the Fourth Proportional to 14,062.05, 21,082.64 and 8,514.08

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Solution

The fourth proportional to 14,062.05, 21,082.64 and 8,514.08 is: 12,764.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,062.05 : 21,082.64 = 8,514.08 : x
  2. Step 2: Convert to fraction form
    14,062.05/21,082.64 = 8,514.08/x
  3. Step 3: Cross multiply
    14,062.05x = 21,082.64 × 8,514.08
  4. Step 4: Simplify right side
    14,062.05x = 179,499,135.59
  5. Step 5: Solve for x
    x = 179,499,135.59/14,062.05
  6. Step 6: Final answer
    x = 12,764.79

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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.