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Finding the Fourth Proportional to 2,824.14, 4,236.42 and 876.33

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Solution

The fourth proportional to 2,824.14, 4,236.42 and 876.33 is: 1,314.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.14 : 4,236.42 = 876.33 : x
  2. Step 2: Convert to fraction form
    2,824.14/4,236.42 = 876.33/x
  3. Step 3: Cross multiply
    2,824.14x = 4,236.42 × 876.33
  4. Step 4: Simplify right side
    2,824.14x = 3,712,501.94
  5. Step 5: Solve for x
    x = 3,712,501.94/2,824.14
  6. Step 6: Final answer
    x = 1,314.56

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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.