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Finding the Fourth Proportional to 2,630.53, 3,630.14 and 1,451.60

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Solution

The fourth proportional to 2,630.53, 3,630.14 and 1,451.60 is: 2,003.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.53 : 3,630.14 = 1,451.60 : x
  2. Step 2: Convert to fraction form
    2,630.53/3,630.14 = 1,451.60/x
  3. Step 3: Cross multiply
    2,630.53x = 3,630.14 × 1,451.60
  4. Step 4: Simplify right side
    2,630.53x = 5,269,511.22
  5. Step 5: Solve for x
    x = 5,269,511.22/2,630.53
  6. Step 6: Final answer
    x = 2,003.21

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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.