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Finding the Fourth Proportional to 3,384.82, 4,671.09 and 1,892.82

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Solution

The fourth proportional to 3,384.82, 4,671.09 and 1,892.82 is: 2,612.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.82 : 4,671.09 = 1,892.82 : x
  2. Step 2: Convert to fraction form
    3,384.82/4,671.09 = 1,892.82/x
  3. Step 3: Cross multiply
    3,384.82x = 4,671.09 × 1,892.82
  4. Step 4: Simplify right side
    3,384.82x = 8,841,532.57
  5. Step 5: Solve for x
    x = 8,841,532.57/3,384.82
  6. Step 6: Final answer
    x = 2,612.11

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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.