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Finding the Fourth Proportional to 33,859.94, 46,711.20 and 21,927.12

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Solution

The fourth proportional to 33,859.94, 46,711.20 and 21,927.12 is: 30,249.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,859.94 : 46,711.20 = 21,927.12 : x
  2. Step 2: Convert to fraction form
    33,859.94/46,711.20 = 21,927.12/x
  3. Step 3: Cross multiply
    33,859.94x = 46,711.20 × 21,927.12
  4. Step 4: Simplify right side
    33,859.94x = 1,024,242,087.74
  5. Step 5: Solve for x
    x = 1,024,242,087.74/33,859.94
  6. Step 6: Final answer
    x = 30,249.38

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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.