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Finding the Fourth Proportional to 3,284.52, 4,923.12 and 1,642.44

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Solution

The fourth proportional to 3,284.52, 4,923.12 and 1,642.44 is: 2,461.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.52 : 4,923.12 = 1,642.44 : x
  2. Step 2: Convert to fraction form
    3,284.52/4,923.12 = 1,642.44/x
  3. Step 3: Cross multiply
    3,284.52x = 4,923.12 × 1,642.44
  4. Step 4: Simplify right side
    3,284.52x = 8,085,929.21
  5. Step 5: Solve for x
    x = 8,085,929.21/3,284.52
  6. Step 6: Final answer
    x = 2,461.83

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Double scale
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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.