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Finding the Fourth Proportional to 4,074.46, 6,111.64 and 996.46

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Solution

The fourth proportional to 4,074.46, 6,111.64 and 996.46 is: 1,494.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074.46 : 6,111.64 = 996.46 : x
  2. Step 2: Convert to fraction form
    4,074.46/6,111.64 = 996.46/x
  3. Step 3: Cross multiply
    4,074.46x = 6,111.64 × 996.46
  4. Step 4: Simplify right side
    4,074.46x = 6,090,004.79
  5. Step 5: Solve for x
    x = 6,090,004.79/4,074.46
  6. Step 6: Final answer
    x = 1,494.68

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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.