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Finding the Fourth Proportional to 3,503.57, 5,251.25 and 1,749.80

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Solution

The fourth proportional to 3,503.57, 5,251.25 and 1,749.80 is: 2,622.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.57 : 5,251.25 = 1,749.80 : x
  2. Step 2: Convert to fraction form
    3,503.57/5,251.25 = 1,749.80/x
  3. Step 3: Cross multiply
    3,503.57x = 5,251.25 × 1,749.80
  4. Step 4: Simplify right side
    3,503.57x = 9,188,602.24
  5. Step 5: Solve for x
    x = 9,188,602.24/3,503.57
  6. Step 6: Final answer
    x = 2,622.64

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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.