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Finding the Fourth Proportional to 48,653.70, 73,063.92 and 30,043.84

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Solution

The fourth proportional to 48,653.70, 73,063.92 and 30,043.84 is: 45,117.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,653.70 : 73,063.92 = 30,043.84 : x
  2. Step 2: Convert to fraction form
    48,653.70/73,063.92 = 30,043.84/x
  3. Step 3: Cross multiply
    48,653.70x = 73,063.92 × 30,043.84
  4. Step 4: Simplify right side
    48,653.70x = 2,195,120,722.25
  5. Step 5: Solve for x
    x = 2,195,120,722.25/48,653.70
  6. Step 6: Final answer
    x = 45,117.24

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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.