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Finding the Fourth Proportional to 48,684.81, 73,037.07 and 20,604.81

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Solution

The fourth proportional to 48,684.81, 73,037.07 and 20,604.81 is: 30,911.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,684.81 : 73,037.07 = 20,604.81 : x
  2. Step 2: Convert to fraction form
    48,684.81/73,037.07 = 20,604.81/x
  3. Step 3: Cross multiply
    48,684.81x = 73,037.07 × 20,604.81
  4. Step 4: Simplify right side
    48,684.81x = 1,504,914,950.31
  5. Step 5: Solve for x
    x = 1,504,914,950.31/48,684.81
  6. Step 6: Final answer
    x = 30,911.39

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1.5x scale

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.