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Finding the Fourth Proportional to 4,955.86, 7,433.79 and 1,493.11

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Solution

The fourth proportional to 4,955.86, 7,433.79 and 1,493.11 is: 2,239.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.86 : 7,433.79 = 1,493.11 : x
  2. Step 2: Convert to fraction form
    4,955.86/7,433.79 = 1,493.11/x
  3. Step 3: Cross multiply
    4,955.86x = 7,433.79 × 1,493.11
  4. Step 4: Simplify right side
    4,955.86x = 11,099,447.60
  5. Step 5: Solve for x
    x = 11,099,447.60/4,955.86
  6. Step 6: Final answer
    x = 2,239.66

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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.