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Finding the Fourth Proportional to 51,073.62, 76,608.81 and 14,137.62

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Solution

The fourth proportional to 51,073.62, 76,608.81 and 14,137.62 is: 21,205.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,073.62 : 76,608.81 = 14,137.62 : x
  2. Step 2: Convert to fraction form
    51,073.62/76,608.81 = 14,137.62/x
  3. Step 3: Cross multiply
    51,073.62x = 76,608.81 × 14,137.62
  4. Step 4: Simplify right side
    51,073.62x = 1,083,066,244.43
  5. Step 5: Solve for x
    x = 1,083,066,244.43/51,073.62
  6. Step 6: Final answer
    x = 21,205.98

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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.