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Finding the Fourth Proportional to 49,494.63, 74,241.95 and 14,434.29

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Solution

The fourth proportional to 49,494.63, 74,241.95 and 14,434.29 is: 21,651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,494.63 : 74,241.95 = 14,434.29 : x
  2. Step 2: Convert to fraction form
    49,494.63/74,241.95 = 14,434.29/x
  3. Step 3: Cross multiply
    49,494.63x = 74,241.95 × 14,434.29
  4. Step 4: Simplify right side
    49,494.63x = 1,071,629,836.47
  5. Step 5: Solve for x
    x = 1,071,629,836.47/49,494.63
  6. Step 6: Final answer
    x = 21,651.44

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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.