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Finding the Fourth Proportional to 3,348.62, 5,018.12 and 1,884.68

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Solution

The fourth proportional to 3,348.62, 5,018.12 and 1,884.68 is: 2,824.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.62 : 5,018.12 = 1,884.68 : x
  2. Step 2: Convert to fraction form
    3,348.62/5,018.12 = 1,884.68/x
  3. Step 3: Cross multiply
    3,348.62x = 5,018.12 × 1,884.68
  4. Step 4: Simplify right side
    3,348.62x = 9,457,550.40
  5. Step 5: Solve for x
    x = 9,457,550.40/3,348.62
  6. Step 6: Final answer
    x = 2,824.31

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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.