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Finding the Fourth Proportional to 34,648.46, 51,972.67 and 8,353.19

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Solution

The fourth proportional to 34,648.46, 51,972.67 and 8,353.19 is: 12,529.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,648.46 : 51,972.67 = 8,353.19 : x
  2. Step 2: Convert to fraction form
    34,648.46/51,972.67 = 8,353.19/x
  3. Step 3: Cross multiply
    34,648.46x = 51,972.67 × 8,353.19
  4. Step 4: Simplify right side
    34,648.46x = 434,137,727.69
  5. Step 5: Solve for x
    x = 434,137,727.69/34,648.46
  6. Step 6: Final answer
    x = 12,529.78

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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.