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Finding the Fourth Proportional to 3,836.60, 5,751.05 and 2,451.50

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Solution

The fourth proportional to 3,836.60, 5,751.05 and 2,451.50 is: 3,674.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.60 : 5,751.05 = 2,451.50 : x
  2. Step 2: Convert to fraction form
    3,836.60/5,751.05 = 2,451.50/x
  3. Step 3: Cross multiply
    3,836.60x = 5,751.05 × 2,451.50
  4. Step 4: Simplify right side
    3,836.60x = 14,098,658.06
  5. Step 5: Solve for x
    x = 14,098,658.06/3,836.60
  6. Step 6: Final answer
    x = 3,674.78

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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.