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Finding the Fourth Proportional to 14,573.60, 20,093.64 and 10,791.44

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Solution

The fourth proportional to 14,573.60, 20,093.64 and 10,791.44 is: 14,878.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,573.60 : 20,093.64 = 10,791.44 : x
  2. Step 2: Convert to fraction form
    14,573.60/20,093.64 = 10,791.44/x
  3. Step 3: Cross multiply
    14,573.60x = 20,093.64 × 10,791.44
  4. Step 4: Simplify right side
    14,573.60x = 216,839,310.44
  5. Step 5: Solve for x
    x = 216,839,310.44/14,573.60
  6. Step 6: Final answer
    x = 14,878.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.