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Finding the Fourth Proportional to 1,236.62, 1,854.92 and 1,052.84

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Solution

The fourth proportional to 1,236.62, 1,854.92 and 1,052.84 is: 1,579.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236.62 : 1,854.92 = 1,052.84 : x
  2. Step 2: Convert to fraction form
    1,236.62/1,854.92 = 1,052.84/x
  3. Step 3: Cross multiply
    1,236.62x = 1,854.92 × 1,052.84
  4. Step 4: Simplify right side
    1,236.62x = 1,952,927.33
  5. Step 5: Solve for x
    x = 1,952,927.33/1,236.62
  6. Step 6: Final answer
    x = 1,579.25

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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.