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Finding the Fourth Proportional to 6,140.70, 9,201.17 and 3,674.35

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Solution

The fourth proportional to 6,140.70, 9,201.17 and 3,674.35 is: 5,505.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.70 : 9,201.17 = 3,674.35 : x
  2. Step 2: Convert to fraction form
    6,140.70/9,201.17 = 3,674.35/x
  3. Step 3: Cross multiply
    6,140.70x = 9,201.17 × 3,674.35
  4. Step 4: Simplify right side
    6,140.70x = 33,808,318.99
  5. Step 5: Solve for x
    x = 33,808,318.99/6,140.70
  6. Step 6: Final answer
    x = 5,505.61

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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.