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Finding the Fourth Proportional to 3,649.64, 5,475.50 and 1,676.58

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Solution

The fourth proportional to 3,649.64, 5,475.50 and 1,676.58 is: 2,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.64 : 5,475.50 = 1,676.58 : x
  2. Step 2: Convert to fraction form
    3,649.64/5,475.50 = 1,676.58/x
  3. Step 3: Cross multiply
    3,649.64x = 5,475.50 × 1,676.58
  4. Step 4: Simplify right side
    3,649.64x = 9,180,105.41
  5. Step 5: Solve for x
    x = 9,180,105.41/3,649.64
  6. Step 6: Final answer
    x = 2,515.35

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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.