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Finding the Fourth Proportional to 2,555.97, 3,833.52 and 824.60

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Solution

The fourth proportional to 2,555.97, 3,833.52 and 824.60 is: 1,236.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.97 : 3,833.52 = 824.60 : x
  2. Step 2: Convert to fraction form
    2,555.97/3,833.52 = 824.60/x
  3. Step 3: Cross multiply
    2,555.97x = 3,833.52 × 824.60
  4. Step 4: Simplify right side
    2,555.97x = 3,161,101.42
  5. Step 5: Solve for x
    x = 3,161,101.42/2,555.97
  6. Step 6: Final answer
    x = 1,236.75

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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.