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Finding the Fourth Proportional to 3,073.70, 4,241.48 and 1,814.68

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Solution

The fourth proportional to 3,073.70, 4,241.48 and 1,814.68 is: 2,504.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.70 : 4,241.48 = 1,814.68 : x
  2. Step 2: Convert to fraction form
    3,073.70/4,241.48 = 1,814.68/x
  3. Step 3: Cross multiply
    3,073.70x = 4,241.48 × 1,814.68
  4. Step 4: Simplify right side
    3,073.70x = 7,696,928.93
  5. Step 5: Solve for x
    x = 7,696,928.93/3,073.70
  6. Step 6: Final answer
    x = 2,504.12

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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.