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Finding the Fourth Proportional to 49,965.40, 74,958.30 and 16,695.88

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Solution

The fourth proportional to 49,965.40, 74,958.30 and 16,695.88 is: 25,047.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,965.40 : 74,958.30 = 16,695.88 : x
  2. Step 2: Convert to fraction form
    49,965.40/74,958.30 = 16,695.88/x
  3. Step 3: Cross multiply
    49,965.40x = 74,958.30 × 16,695.88
  4. Step 4: Simplify right side
    49,965.40x = 1,251,494,781.80
  5. Step 5: Solve for x
    x = 1,251,494,781.80/49,965.40
  6. Step 6: Final answer
    x = 25,047.23

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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.