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Finding the Fourth Proportional to 5,512.64, 7,609.44 and 3,650.24

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Solution

The fourth proportional to 5,512.64, 7,609.44 and 3,650.24 is: 5,038.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.64 : 7,609.44 = 3,650.24 : x
  2. Step 2: Convert to fraction form
    5,512.64/7,609.44 = 3,650.24/x
  3. Step 3: Cross multiply
    5,512.64x = 7,609.44 × 3,650.24
  4. Step 4: Simplify right side
    5,512.64x = 27,776,282.27
  5. Step 5: Solve for x
    x = 27,776,282.27/5,512.64
  6. Step 6: Final answer
    x = 5,038.65

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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.