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Finding the Fourth Proportional to 3,822.62, 5,732.71 and 1,482.46

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Solution

The fourth proportional to 3,822.62, 5,732.71 and 1,482.46 is: 2,223.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.62 : 5,732.71 = 1,482.46 : x
  2. Step 2: Convert to fraction form
    3,822.62/5,732.71 = 1,482.46/x
  3. Step 3: Cross multiply
    3,822.62x = 5,732.71 × 1,482.46
  4. Step 4: Simplify right side
    3,822.62x = 8,498,495.23
  5. Step 5: Solve for x
    x = 8,498,495.23/3,822.62
  6. Step 6: Final answer
    x = 2,223.22

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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.