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Finding the Fourth Proportional to 3,074.44, 4,612.10 and 993.96

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Solution

The fourth proportional to 3,074.44, 4,612.10 and 993.96 is: 1,491.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.44 : 4,612.10 = 993.96 : x
  2. Step 2: Convert to fraction form
    3,074.44/4,612.10 = 993.96/x
  3. Step 3: Cross multiply
    3,074.44x = 4,612.10 × 993.96
  4. Step 4: Simplify right side
    3,074.44x = 4,584,242.92
  5. Step 5: Solve for x
    x = 4,584,242.92/3,074.44
  6. Step 6: Final answer
    x = 1,491.08

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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.