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Finding the Fourth Proportional to 3,073.84, 4,242.84 and 2,234.68

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Solution

The fourth proportional to 3,073.84, 4,242.84 and 2,234.68 is: 3,084.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.84 : 4,242.84 = 2,234.68 : x
  2. Step 2: Convert to fraction form
    3,073.84/4,242.84 = 2,234.68/x
  3. Step 3: Cross multiply
    3,073.84x = 4,242.84 × 2,234.68
  4. Step 4: Simplify right side
    3,073.84x = 9,481,389.69
  5. Step 5: Solve for x
    x = 9,481,389.69/3,073.84
  6. Step 6: Final answer
    x = 3,084.54

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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.