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Finding the Fourth Proportional to 40,017, 55,223.46 and 22,353

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Solution

The fourth proportional to 40,017, 55,223.46 and 22,353 is: 30,847.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,017 : 55,223.46 = 22,353 : x
  2. Step 2: Convert to fraction form
    40,017/55,223.46 = 22,353/x
  3. Step 3: Cross multiply
    40,017x = 55,223.46 × 22,353
  4. Step 4: Simplify right side
    40,017x = 1,234,410,001.38
  5. Step 5: Solve for x
    x = 1,234,410,001.38/40,017
  6. Step 6: Final answer
    x = 30,847.14

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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.