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Finding the Fourth Proportional to 1,874.48, 2,805.06 and 1,819.04

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Solution

The fourth proportional to 1,874.48, 2,805.06 and 1,819.04 is: 2,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.48 : 2,805.06 = 1,819.04 : x
  2. Step 2: Convert to fraction form
    1,874.48/2,805.06 = 1,819.04/x
  3. Step 3: Cross multiply
    1,874.48x = 2,805.06 × 1,819.04
  4. Step 4: Simplify right side
    1,874.48x = 5,102,516.34
  5. Step 5: Solve for x
    x = 5,102,516.34/1,874.48
  6. Step 6: Final answer
    x = 2,722.10

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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.