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Finding the Fourth Proportional to 33,642.45, 50,429.04 and 14,931.30

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Solution

The fourth proportional to 33,642.45, 50,429.04 and 14,931.30 is: 22,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,642.45 : 50,429.04 = 14,931.30 : x
  2. Step 2: Convert to fraction form
    33,642.45/50,429.04 = 14,931.30/x
  3. Step 3: Cross multiply
    33,642.45x = 50,429.04 × 14,931.30
  4. Step 4: Simplify right side
    33,642.45x = 752,971,288.35
  5. Step 5: Solve for x
    x = 752,971,288.35/33,642.45
  6. Step 6: Final answer
    x = 22,381.58

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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.