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Finding the Fourth Proportional to 3,026.88, 4,540.32 and 835.70

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Solution

The fourth proportional to 3,026.88, 4,540.32 and 835.70 is: 1,253.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,026.88 : 4,540.32 = 835.70 : x
  2. Step 2: Convert to fraction form
    3,026.88/4,540.32 = 835.70/x
  3. Step 3: Cross multiply
    3,026.88x = 4,540.32 × 835.70
  4. Step 4: Simplify right side
    3,026.88x = 3,794,322.72
  5. Step 5: Solve for x
    x = 3,794,322.72/3,026.88
  6. Step 6: Final answer
    x = 1,253.54

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Similar ratio
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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.