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Finding the Fourth Proportional to 49,375.72, 73,994.46 and 35,459.56

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Solution

The fourth proportional to 49,375.72, 73,994.46 and 35,459.56 is: 53,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,375.72 : 73,994.46 = 35,459.56 : x
  2. Step 2: Convert to fraction form
    49,375.72/73,994.46 = 35,459.56/x
  3. Step 3: Cross multiply
    49,375.72x = 73,994.46 × 35,459.56
  4. Step 4: Simplify right side
    49,375.72x = 2,623,810,994.04
  5. Step 5: Solve for x
    x = 2,623,810,994.04/49,375.72
  6. Step 6: Final answer
    x = 53,139.70

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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.