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Finding the Fourth Proportional to 2,996.55, 4,494.20 and 804.75

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Solution

The fourth proportional to 2,996.55, 4,494.20 and 804.75 is: 1,206.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.55 : 4,494.20 = 804.75 : x
  2. Step 2: Convert to fraction form
    2,996.55/4,494.20 = 804.75/x
  3. Step 3: Cross multiply
    2,996.55x = 4,494.20 × 804.75
  4. Step 4: Simplify right side
    2,996.55x = 3,616,703.43
  5. Step 5: Solve for x
    x = 3,616,703.43/2,996.55
  6. Step 6: Final answer
    x = 1,206.96

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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.