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Finding the Fourth Proportional to 36,243.99, 50,018.31 and 20,329.92

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Solution

The fourth proportional to 36,243.99, 50,018.31 and 20,329.92 is: 28,056.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,243.99 : 50,018.31 = 20,329.92 : x
  2. Step 2: Convert to fraction form
    36,243.99/50,018.31 = 20,329.92/x
  3. Step 3: Cross multiply
    36,243.99x = 50,018.31 × 20,329.92
  4. Step 4: Simplify right side
    36,243.99x = 1,016,868,240.84
  5. Step 5: Solve for x
    x = 1,016,868,240.84/36,243.99
  6. Step 6: Final answer
    x = 28,056.19

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1.5x scale

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.