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Finding the Fourth Proportional to 14,614,944.70, 20,494,514.90 and 14,614,944.70

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Solution

The fourth proportional to 14,614,944.70, 20,494,514.90 and 14,614,944.70 is: 20,494,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614,944.70 : 20,494,514.90 = 14,614,944.70 : x
  2. Step 2: Convert to fraction form
    14,614,944.70/20,494,514.90 = 14,614,944.70/x
  3. Step 3: Cross multiply
    14,614,944.70x = 20,494,514.90 × 14,614,944.70
  4. Step 4: Simplify right side
    14,614,944.70x = 299,526,201,916,826
  5. Step 5: Solve for x
    x = 299,526,201,916,826/14,614,944.70
  6. Step 6: Final answer
    x = 20,494,514.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.