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Finding the Fourth Proportional to 54,729.84, 75,527.04 and 29,579.28

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Solution

The fourth proportional to 54,729.84, 75,527.04 and 29,579.28 is: 40,819.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,729.84 : 75,527.04 = 29,579.28 : x
  2. Step 2: Convert to fraction form
    54,729.84/75,527.04 = 29,579.28/x
  3. Step 3: Cross multiply
    54,729.84x = 75,527.04 × 29,579.28
  4. Step 4: Simplify right side
    54,729.84x = 2,234,035,463.73
  5. Step 5: Solve for x
    x = 2,234,035,463.73/54,729.84
  6. Step 6: Final answer
    x = 40,819.33

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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.