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Finding the Fourth Proportional to 49,960.62, 74,931.21 and 14,419.44

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Solution

The fourth proportional to 49,960.62, 74,931.21 and 14,419.44 is: 21,626.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,960.62 : 74,931.21 = 14,419.44 : x
  2. Step 2: Convert to fraction form
    49,960.62/74,931.21 = 14,419.44/x
  3. Step 3: Cross multiply
    49,960.62x = 74,931.21 × 14,419.44
  4. Step 4: Simplify right side
    49,960.62x = 1,080,466,086.72
  5. Step 5: Solve for x
    x = 1,080,466,086.72/49,960.62
  6. Step 6: Final answer
    x = 21,626.35

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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.