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Finding the Fourth Proportional to 3,026.93, 4,540.40 and 835.66

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Solution

The fourth proportional to 3,026.93, 4,540.40 and 835.66 is: 1,253.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,026.93 : 4,540.40 = 835.66 : x
  2. Step 2: Convert to fraction form
    3,026.93/4,540.40 = 835.66/x
  3. Step 3: Cross multiply
    3,026.93x = 4,540.40 × 835.66
  4. Step 4: Simplify right side
    3,026.93x = 3,794,215.13
  5. Step 5: Solve for x
    x = 3,794,215.13/3,026.93
  6. Step 6: Final answer
    x = 1,253.49

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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.