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Finding the Fourth Proportional to 45,197.88, 67,808.34 and 14,033.40

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Solution

The fourth proportional to 45,197.88, 67,808.34 and 14,033.40 is: 21,053.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,197.88 : 67,808.34 = 14,033.40 : x
  2. Step 2: Convert to fraction form
    45,197.88/67,808.34 = 14,033.40/x
  3. Step 3: Cross multiply
    45,197.88x = 67,808.34 × 14,033.40
  4. Step 4: Simplify right side
    45,197.88x = 951,581,558.56
  5. Step 5: Solve for x
    x = 951,581,558.56/45,197.88
  6. Step 6: Final answer
    x = 21,053.68

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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.