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Finding the Fourth Proportional to 40,553.44, 60,851.04 and 30,689.44

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Solution

The fourth proportional to 40,553.44, 60,851.04 and 30,689.44 is: 46,049.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,553.44 : 60,851.04 = 30,689.44 : x
  2. Step 2: Convert to fraction form
    40,553.44/60,851.04 = 30,689.44/x
  3. Step 3: Cross multiply
    40,553.44x = 60,851.04 × 30,689.44
  4. Step 4: Simplify right side
    40,553.44x = 1,867,484,341.02
  5. Step 5: Solve for x
    x = 1,867,484,341.02/40,553.44
  6. Step 6: Final answer
    x = 46,049.96

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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.