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Finding the Fourth Proportional to 34,550.60, 51,800.96 and 13,472.78

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Solution

The fourth proportional to 34,550.60, 51,800.96 and 13,472.78 is: 20,199.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,550.60 : 51,800.96 = 13,472.78 : x
  2. Step 2: Convert to fraction form
    34,550.60/51,800.96 = 13,472.78/x
  3. Step 3: Cross multiply
    34,550.60x = 51,800.96 × 13,472.78
  4. Step 4: Simplify right side
    34,550.60x = 697,902,937.87
  5. Step 5: Solve for x
    x = 697,902,937.87/34,550.60
  6. Step 6: Final answer
    x = 20,199.44

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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.