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Finding the Fourth Proportional to 14,735.60, 22,103.72 and 3,791.60

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Solution

The fourth proportional to 14,735.60, 22,103.72 and 3,791.60 is: 5,687.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,735.60 : 22,103.72 = 3,791.60 : x
  2. Step 2: Convert to fraction form
    14,735.60/22,103.72 = 3,791.60/x
  3. Step 3: Cross multiply
    14,735.60x = 22,103.72 × 3,791.60
  4. Step 4: Simplify right side
    14,735.60x = 83,808,464.75
  5. Step 5: Solve for x
    x = 83,808,464.75/14,735.60
  6. Step 6: Final answer
    x = 5,687.48

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1.5x scale

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.