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Finding the Fourth Proportional to 45,370.72, 68,063.10 and 14,203

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Solution

The fourth proportional to 45,370.72, 68,063.10 and 14,203 is: 21,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,370.72 : 68,063.10 = 14,203 : x
  2. Step 2: Convert to fraction form
    45,370.72/68,063.10 = 14,203/x
  3. Step 3: Cross multiply
    45,370.72x = 68,063.10 × 14,203
  4. Step 4: Simplify right side
    45,370.72x = 966,700,209.30
  5. Step 5: Solve for x
    x = 966,700,209.30/45,370.72
  6. Step 6: Final answer
    x = 21,306.70

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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.