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Finding the Fourth Proportional to 5,630.05, 8,445.12 and 1,734.49

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Solution

The fourth proportional to 5,630.05, 8,445.12 and 1,734.49 is: 2,601.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.05 : 8,445.12 = 1,734.49 : x
  2. Step 2: Convert to fraction form
    5,630.05/8,445.12 = 1,734.49/x
  3. Step 3: Cross multiply
    5,630.05x = 8,445.12 × 1,734.49
  4. Step 4: Simplify right side
    5,630.05x = 14,647,976.19
  5. Step 5: Solve for x
    x = 14,647,976.19/5,630.05
  6. Step 6: Final answer
    x = 2,601.75

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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.