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Finding the Fourth Proportional to 3,630.64, 5,446.68 and 1,033.68

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Solution

The fourth proportional to 3,630.64, 5,446.68 and 1,033.68 is: 1,550.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.64 : 5,446.68 = 1,033.68 : x
  2. Step 2: Convert to fraction form
    3,630.64/5,446.68 = 1,033.68/x
  3. Step 3: Cross multiply
    3,630.64x = 5,446.68 × 1,033.68
  4. Step 4: Simplify right side
    3,630.64x = 5,630,124.18
  5. Step 5: Solve for x
    x = 5,630,124.18/3,630.64
  6. Step 6: Final answer
    x = 1,550.72

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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.