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Finding the Fourth Proportional to 36,324.99, 50,119.65 and 21,208.98

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Solution

The fourth proportional to 36,324.99, 50,119.65 and 21,208.98 is: 29,263.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,324.99 : 50,119.65 = 21,208.98 : x
  2. Step 2: Convert to fraction form
    36,324.99/50,119.65 = 21,208.98/x
  3. Step 3: Cross multiply
    36,324.99x = 50,119.65 × 21,208.98
  4. Step 4: Simplify right side
    36,324.99x = 1,062,986,654.46
  5. Step 5: Solve for x
    x = 1,062,986,654.46/36,324.99
  6. Step 6: Final answer
    x = 29,263.23

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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.