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Finding the Fourth Proportional to 32,676.40, 48,949.80 and 19,489.60

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Solution

The fourth proportional to 32,676.40, 48,949.80 and 19,489.60 is: 29,195.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,676.40 : 48,949.80 = 19,489.60 : x
  2. Step 2: Convert to fraction form
    32,676.40/48,949.80 = 19,489.60/x
  3. Step 3: Cross multiply
    32,676.40x = 48,949.80 × 19,489.60
  4. Step 4: Simplify right side
    32,676.40x = 954,012,022.08
  5. Step 5: Solve for x
    x = 954,012,022.08/32,676.40
  6. Step 6: Final answer
    x = 29,195.75

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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.