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Finding the Fourth Proportional to 2,894.80, 4,341.12 and 1,162.84

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Solution

The fourth proportional to 2,894.80, 4,341.12 and 1,162.84 is: 1,743.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.80 : 4,341.12 = 1,162.84 : x
  2. Step 2: Convert to fraction form
    2,894.80/4,341.12 = 1,162.84/x
  3. Step 3: Cross multiply
    2,894.80x = 4,341.12 × 1,162.84
  4. Step 4: Simplify right side
    2,894.80x = 5,048,027.98
  5. Step 5: Solve for x
    x = 5,048,027.98/2,894.80
  6. Step 6: Final answer
    x = 1,743.83

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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.