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Finding the Fourth Proportional to 36,043.79, 54,065.61 and 9,748.49

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Solution

The fourth proportional to 36,043.79, 54,065.61 and 9,748.49 is: 14,622.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,043.79 : 54,065.61 = 9,748.49 : x
  2. Step 2: Convert to fraction form
    36,043.79/54,065.61 = 9,748.49/x
  3. Step 3: Cross multiply
    36,043.79x = 54,065.61 × 9,748.49
  4. Step 4: Simplify right side
    36,043.79x = 527,057,788.10
  5. Step 5: Solve for x
    x = 527,057,788.10/36,043.79
  6. Step 6: Final answer
    x = 14,622.71

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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.