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Finding the Fourth Proportional to 3,000.74, 4,141.11 and 1,674.42

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Solution

The fourth proportional to 3,000.74, 4,141.11 and 1,674.42 is: 2,310.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.74 : 4,141.11 = 1,674.42 : x
  2. Step 2: Convert to fraction form
    3,000.74/4,141.11 = 1,674.42/x
  3. Step 3: Cross multiply
    3,000.74x = 4,141.11 × 1,674.42
  4. Step 4: Simplify right side
    3,000.74x = 6,933,932.51
  5. Step 5: Solve for x
    x = 6,933,932.51/3,000.74
  6. Step 6: Final answer
    x = 2,310.74

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.