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Finding the Fourth Proportional to 13,241.60, 19,857.60 and 4,004.48

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Solution

The fourth proportional to 13,241.60, 19,857.60 and 4,004.48 is: 6,005.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.60 : 19,857.60 = 4,004.48 : x
  2. Step 2: Convert to fraction form
    13,241.60/19,857.60 = 4,004.48/x
  3. Step 3: Cross multiply
    13,241.60x = 19,857.60 × 4,004.48
  4. Step 4: Simplify right side
    13,241.60x = 79,519,362.05
  5. Step 5: Solve for x
    x = 79,519,362.05/13,241.60
  6. Step 6: Final answer
    x = 6,005.27

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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.