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Finding the Fourth Proportional to 36,052.99, 49,752.84 and 19,920.25

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Solution

The fourth proportional to 36,052.99, 49,752.84 and 19,920.25 is: 27,489.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,052.99 : 49,752.84 = 19,920.25 : x
  2. Step 2: Convert to fraction form
    36,052.99/49,752.84 = 19,920.25/x
  3. Step 3: Cross multiply
    36,052.99x = 49,752.84 × 19,920.25
  4. Step 4: Simplify right side
    36,052.99x = 991,088,911.41
  5. Step 5: Solve for x
    x = 991,088,911.41/36,052.99
  6. Step 6: Final answer
    x = 27,489.78

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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.