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Finding the Fourth Proportional to 32,757.88, 45,192.74 and 20,654.38

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Solution

The fourth proportional to 32,757.88, 45,192.74 and 20,654.38 is: 28,494.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,757.88 : 45,192.74 = 20,654.38 : x
  2. Step 2: Convert to fraction form
    32,757.88/45,192.74 = 20,654.38/x
  3. Step 3: Cross multiply
    32,757.88x = 45,192.74 × 20,654.38
  4. Step 4: Simplify right side
    32,757.88x = 933,428,025.20
  5. Step 5: Solve for x
    x = 933,428,025.20/32,757.88
  6. Step 6: Final answer
    x = 28,494.76

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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.