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Finding the Fourth Proportional to 2,841.87, 4,262.79 and 894.22

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Solution

The fourth proportional to 2,841.87, 4,262.79 and 894.22 is: 1,341.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.87 : 4,262.79 = 894.22 : x
  2. Step 2: Convert to fraction form
    2,841.87/4,262.79 = 894.22/x
  3. Step 3: Cross multiply
    2,841.87x = 4,262.79 × 894.22
  4. Step 4: Simplify right side
    2,841.87x = 3,811,872.07
  5. Step 5: Solve for x
    x = 3,811,872.07/2,841.87
  6. Step 6: Final answer
    x = 1,341.33

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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.