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Finding the Fourth Proportional to 29,939.84, 44,909.76 and 14,361.92

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Solution

The fourth proportional to 29,939.84, 44,909.76 and 14,361.92 is: 21,542.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,939.84 : 44,909.76 = 14,361.92 : x
  2. Step 2: Convert to fraction form
    29,939.84/44,909.76 = 14,361.92/x
  3. Step 3: Cross multiply
    29,939.84x = 44,909.76 × 14,361.92
  4. Step 4: Simplify right side
    29,939.84x = 644,990,380.34
  5. Step 5: Solve for x
    x = 644,990,380.34/29,939.84
  6. Step 6: Final answer
    x = 21,542.88

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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.