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Finding the Fourth Proportional to 3,473.33, 5,221.28 and 2,787.51

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Solution

The fourth proportional to 3,473.33, 5,221.28 and 2,787.51 is: 4,190.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,473.33 : 5,221.28 = 2,787.51 : x
  2. Step 2: Convert to fraction form
    3,473.33/5,221.28 = 2,787.51/x
  3. Step 3: Cross multiply
    3,473.33x = 5,221.28 × 2,787.51
  4. Step 4: Simplify right side
    3,473.33x = 14,554,350.19
  5. Step 5: Solve for x
    x = 14,554,350.19/3,473.33
  6. Step 6: Final answer
    x = 4,190.32

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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.