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Finding the Fourth Proportional to 4,640.73, 6,405.12 and 2,651.10

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Solution

The fourth proportional to 4,640.73, 6,405.12 and 2,651.10 is: 3,659.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.73 : 6,405.12 = 2,651.10 : x
  2. Step 2: Convert to fraction form
    4,640.73/6,405.12 = 2,651.10/x
  3. Step 3: Cross multiply
    4,640.73x = 6,405.12 × 2,651.10
  4. Step 4: Simplify right side
    4,640.73x = 16,980,613.63
  5. Step 5: Solve for x
    x = 16,980,613.63/4,640.73
  6. Step 6: Final answer
    x = 3,659.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.