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Finding the Fourth Proportional to 40,397, 55,752.18 and 23,644.04

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Solution

The fourth proportional to 40,397, 55,752.18 and 23,644.04 is: 32,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,397 : 55,752.18 = 23,644.04 : x
  2. Step 2: Convert to fraction form
    40,397/55,752.18 = 23,644.04/x
  3. Step 3: Cross multiply
    40,397x = 55,752.18 × 23,644.04
  4. Step 4: Simplify right side
    40,397x = 1,318,206,774.01
  5. Step 5: Solve for x
    x = 1,318,206,774.01/40,397
  6. Step 6: Final answer
    x = 32,631.30

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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.