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Finding the Fourth Proportional to 32,773.68, 45,229.68 and 18,629.28

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Solution

The fourth proportional to 32,773.68, 45,229.68 and 18,629.28 is: 25,709.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,773.68 : 45,229.68 = 18,629.28 : x
  2. Step 2: Convert to fraction form
    32,773.68/45,229.68 = 18,629.28/x
  3. Step 3: Cross multiply
    32,773.68x = 45,229.68 × 18,629.28
  4. Step 4: Simplify right side
    32,773.68x = 842,596,373.03
  5. Step 5: Solve for x
    x = 842,596,373.03/32,773.68
  6. Step 6: Final answer
    x = 25,709.54

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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.