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Finding the Fourth Proportional to 3,532.44, 4,874.88 and 1,939.21

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Solution

The fourth proportional to 3,532.44, 4,874.88 and 1,939.21 is: 2,676.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532.44 : 4,874.88 = 1,939.21 : x
  2. Step 2: Convert to fraction form
    3,532.44/4,874.88 = 1,939.21/x
  3. Step 3: Cross multiply
    3,532.44x = 4,874.88 × 1,939.21
  4. Step 4: Simplify right side
    3,532.44x = 9,453,411.13
  5. Step 5: Solve for x
    x = 9,453,411.13/3,532.44
  6. Step 6: Final answer
    x = 2,676.17

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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.